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The small intestine or small bowel is the part of the gastrointestinal tract between the stomach and the large intestine, and is where most of the end absorption of food takes place. The small intestine has three distinct regions – the duodenum, jejunum, and ileum.

A long tube-like organ that connects the stomach and the large intestine. It is about 20 feet long and folds many times to fit inside the abdomen. The small intestine has three parts: the duodenum, jejunum, and ileum. It helps to further digest food coming from the stomach. It absorbs nutrients (vitamins, minerals, carbohydrates, fats, proteins) and water from food so they can be used by the body. The small intestine is part of the digestive system.

Pharmacy is the science and technique of preparing, dispensing, and review of drugs and providing additional clinical services. It is a health profession that links health sciences with pharmaceutical sciences and aims to ensure the safe, effective, and affordable use of drugs.

herbivore............,........

Azadirachta indica

hello friend the answer is Azadirtaetha indica

azadiraetha indica

azadirtaetha indica

Chymotrypsin is an active enzyme formed by the action of trypsin in the pancreatic juice. This helps in the digestion of proteins peptones and proteoses converting it into dipeptides.

The other two digestive enzyme secreted by its source gland is amylase and lipases.

Theseenzymes include proteases that digest proteins, and nucleases that digest nucleic acids

because it make globalisation of fat and make it into small globuea

hcl kills bacteria enter through food ,

मानव में क्रोमोसोम की संख्या 23 जोड़े होती है।

Dosage forms(also calledunit doses) arepharmaceutical drugproducts in the form in which they are marketed for use, with a specific mixture ofactive ingredientsand inactive components (excipients), in a particular configuration (such as acapsuleshell, for example), and apportioned into a particulardose.

thnk u very much

When we breathe in we lift our ribs and flatten our diaphragm and the chest cavity becomes larger. The oxygen is transported to all the body parts and the lungs contain a residual volume of air

to maintain the flow of air

Lungs contains a residual volume of air so that there is sufficient time for alveoli to absorb oxygen.

Hello buddy.. 1. The lungs always contain a residual volume of air so that during breathing cycle there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released.

2. Residual volume is important because it prevents the lungs from collapsing.

It’s true the residual volumehelps prevent the collapse of the alveoli. But keeping the alveoli open at all times is beneficial because of the gas exchange that occurs continuously. It’s important in a well run respiratory system that the ventilation V (inspired air) matches perfusion Q (blood flow).

When we breath in and out the lungs always contain air . so that there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released . This volume is called as residual volume.

The residualvolume(RV) is thevolume of air remaining in the lungsaftermaximalexhalation.

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(I)The meninges functions primarily to protect and support the central nervous system (CNS).

(ii)It connects the brain and spinal cord to the skull and spinal canal.

(ii)The meninges forms a protective barrier that safeguards the sensitive organs of the CNS against trauma.

(iv)It also contains an ample supply ofblood vesselsthat deliverbloodto CNS tissue.

(v) Another important function of the meninges is that it produces cerebrospinal fluid. This clear fluid fills the cavities of thecerebral ventriclesand surrounds the brain and spinal cord. Cerebrospinal fluid protects and nourishes CNS tissue by acting as a shock absorber, by circulating nutrients, and by getting rid of waste products.

Real Lab Procedure

Pour some distilled water into a watch glass.Peel off a leaf from half a piece of onion and using the forceps, pull out a piece of transparent onion peel (epidermis) from the leaf.Put the epidermis in the watch glass containing distilled water.Take a few drops of safranin solution in a dropper and transfer this into another watch glass.Using a brush, transfer the peel into the watch glass containing the safranin solution.Let this remain in the Safranin solution for 30 seconds, so that the peel is stained.Take the peel from the Safranin solution using the brush and place it in the watch glass containing the distilled water.Take a few drops of glycerine in a dropper and pour 2-3 drops at the center of a dry glass slide.Using the brush, place the peel onto the slide containing glycerine.Take a cover slip and place it gently on the peel with the aid of a needle.Remove the extra glycerine using a piece of blotting paper.Place this glass side on the stage of the compound microscope and view it.

Observations

There are a large number of regularly shaped cells lying side by side and each cell has a distinct cell wall.A distinct nucleus is present on the periphery of each cell.Lightly stained cytoplasm is observed in each cell.A large vacuole is present at the centre of each cell, and is surrounded by the cytoplasm.

Conclusion

As cell walls and large vacuoles are clearly observed in all the cells, the cells placed for observation are plant cells.

Precautions

Use a brush to transfer the peel from one apparatus to another.Staining of peel should neither be too dark, nor too light.Extra glycerine stain should be removed using blotting paper.

it helps in Breaking Down The starch present in food into sugar it also makes the food wet and supplier Re thereby making it easier to swallow

The anticoagulant found in the saliva of leeches is Hirudin

It helps in digestion of food by following Ways. Saliva contains a digestive enzyme called salivary amylase, which converts carbohydrates in to maltose sugars. It cleans the mouth cavity and tends to destroy germs that cause teeth decay. It moistens and lubricates food which again helps in swallowing

Human Immunodeficiency virus is the full form of HIV

human immunodeficiency virus

1- Protein2- Vitamins and minerals3- Digestion4- Saliva5- Stomach6- Preservation

salivary gland make saliva

salivery gland make saliva makes your food moist.

Sulfuric acid, also known as vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H₂SO₄. It is a colorless, odorless, and syrupy liquid that is soluble in water, in a reaction that is highly exothermic.

Formula:H2SO4

non biodegradable are polythene., plastic, rubber.... nd biodegradable are cotton, wool, human waste

Gaseous wastes include carbon monoxide, CO2,sulphur dioxideBiodegradable-vegetable peels,organic oilsNon biodegradable-Tin,plastic

1. Remove a healthy leaf from the potted plant.

2. Remove a part of the peel from the lower surface of the leaf. You can do this by folding the leaf over and gently pulling the peel apart using forceps. Keeps the peel in a watch glass containing water.

3. Put a few drops of safranin stain in a watch glass.

4. After 2-3 minutes take out the peel and place it on a clean glass slide.

5. Put a drop of glycerin over the peel and place a clean coverslip gently over it with the help of a needle.

6. Remove the excess stain and glycerin with the help of blotting paper.

7. Observe the slide under the low-power and high-power magnifications of the compound microscope.

Procedure:

1. Remove a healthy leaf from the potted plant.

2. Remove a part of the peel from the lower surface of the leaf. You can do this by folding the leaf over and gently pulling the peel apart using forceps. Keeps the peel in a watch glass containing water.

3. Put a few drops of safranin stain in a watch glass.

4. After 2-3 minutes take out the peel and place it on a clean glass slide.

5. Put a drop of glycerin over the peel and place a clean coverslip gently over it with the help of a needle.

6. Remove the excess stain and glycerin with the help of blotting paper.

7. Observe the slide under the low-power and high-power magnifications of the compound microscope.

Observations:

1. The epidermal cells are visible. These are irregular in outline and have no intercellular spaces.

2. Many small pores (stomata) are seen scattered among the epidermal cells.

3. Each pore is guarded by two bean-shaped guard cells, each containing chloroplasts and a nucleus.

4. The inner concave boundary of each guard cell is thick, whereas its outer boundary is thin.

5. The stomata may be open or closed. The guard cells regulate the opening and closing of the stomata.

Yes. Tincture of iodineoriodine tinctureis anantiseptic, it is also called weak iodine solution. It is usually 2–7% elementaliodine, along withpotassium iodideorsodium iodide, dissolved in a mixture ofethanoland water.Tincturesolutions are characterized by the presence of alcohol. It was used from 1908 in pre-operative skin preparation by surgeonAntonio Grossich.

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Hydrolysis of1moleof ATP into ADP releases30.5 kilo joulesor7.5 kilo caloriesof energy.

This energy is liberated because of thecleavage of high energy phosphate bondin ATP converting it into ADP.

Add a few drops of Safranin stain into the watch glass to stain the peel .

(a) Voluntary actions are controlled by cerebellum.(b) Involuntary actions are controlled by medulla.

Wrong.The leftsideis important forlogicand rationalthinking

Voluntary actionsare controlled by motor cortex which is situated in the frontal lobe of cerebrum. It is believed that, idea to perform anymovementis generated in prefrontal cortex.The medulla oblongata ispartof thebrainstem thatcontrolsmost of these involuntary actions(Thebrainstem is the posteriorpartof thebrainthat is continuous with the spinal cord. It is made up of three segments; the medulla oblongata, the midbrain and the pons).

All reflex actions are involuntary in nature but all involutary actions are not reflexes.A reflex action may involve any muscle or a gland as we withdraw our hand on touching a hot objectbut all involuntary actions involve only smooth i.e., involuntary or cardiac muscles.A reflex action may be conditioned (as in the case of salivation response by a dog on just hearing the bell (even when food is not supplied ) in Pavlov's expt.) but an involuntary action would not be generally influenced by external conditioning.Reflex actions are usually at the level of spinal cord whereas the involuntary actions generallly involve brain too.

Nerves and autonomic nervous system can increase or decrease the rate of involuntary actions but reflex actions can be controlled by great will only and are not usually controllable.

Reflex actions are done to meet emergencies where as an involuntary action may or may not be for just meeting an emergency; but may bean importantlife process such as circulation of blood, swallowing of food, movement of food in food pipe, etc.

thank you so much!

(i) cerebral is responsible for sensory receptions from various sensory organs and the voluntary actions so it is matched to c)(ii) cerebellum is responsible for coordination of motor functions and balance of the body. so it is matched to d)(iii) hypothalamus controls involuntary functions such as secretion of hormones. so it is matched to b)(iv) medula controls salivation blood pressure and vomiting so its matched to a)

2. Thyroid 3. The endocrine system is made up of certain special glands and the hormones produced by those glands in the body.

The hormones are important for instructing specific cells to produce particular actions in response to a stimulus or imbalance in the body.

The glands are responsible to recognize the need for hormone secretion.

The hormones travel in the bloodstream to the cells where they act, and bind to the cells to initiate their effects.

These processes are tightly regulated by the endocrine system to maintain metabolic balance in the body.

They are essential to keeping body functions normal. Such processes include cellular metabolism, sexual development and reproduction, homeostasis of sugar and other nutrients, and regulation of the heart rate, blood pressure, sleep cycles and digestion.

salivation is an example of involuntary action

There are three parts of brain out of which one is medulla oblongata which is found continuously with the spinal cord .It controls involuntary actions such as breathing, blood pressure etc. and regulates reflex responses like SALIVATION and vomiting.

option a scutellum is correct answer

We need to grow crop because1 Crop is useful for everyone2it provides income to the farmers

we need to grow crops to survive

we need to grow crops because crops fulfill our needs regarding yo food they provide money to farmer

As green house protects the plants to inside it from the climatic conditions outside and gives it suitable temperature for growth...that is why farmers do so.Through this they get many advantages....they have bountiful crops and their crops are also protected from birds and animals

The primaryfunctionof theplasma membraneis to protect thecellfrom its surroundings.2) Composed of a phospholipid bilayer with embedded proteins, theplasma membraneis selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.

i am glad that u post the ans. heartly thanks

the correct option is (b)

they do not have striations and sarcomeres, smooth muscle fibers do have actin and myosin contractile proteins, and thick and thin filaments. These thin filaments are anchored by dense bodies. Adense bodyis analogous to the Z-discs of skeletal and cardiac muscle fibers and is fastened to the sarcolemma.

Single-unitsmooth muscleis usually made up ofcellsthatarecoupled by gap junctions, allowing ions and action potentials to pass between adjacentcells. This arrangement allows the entire sheet ofsmooth muscleto function as a unit, or asyncytium, and is characteristic of GIsmooth muscle.

1

2

striated muscle 1

striated muscle 2

striated muscle 2

striated muscle 3