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Right sideBlood enters the heart through two large veins, the INFERIOR and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.As the atrium CONTRACTS, blood flows from your right atrium into your right VENTRICLE through the open tricuspid valve.When the ventricle is full, the tricuspid valve shuts. This PREVENTS blood from flowing backward into the atria while the ventricle contracts.As the ventricle contracts, blood leaves the heart through the PULMONIC valve, into the pulmonary artery and to the lungs where it is oxygenated.Left sideThe pulmonary vein empties oxygen-rich blood from the lungs into the left atrium.As the atrium contracts, blood flows from your left atrium into your left ventricle through the open mitral valve.When the ventricle is full, the mitral valve shuts. This prevents blood from flowing backward into the atrium while the ventricle contracts.As the ventricle contracts, blood leaves the heart through the aortic valve, into the aorta and to the body.

For most crops the saturation POINT will be reached at about 1,000–1,300 PPM under ideal CIRCUMSTANCES. A lower level (800–1,000 ppm) is recommended for raising SEEDLINGS (tomatoes, cucumbers and peppers) as well as for lettuce production

drift, also called GENETIC sampling error or Sewall Wright effect, a change in the gene pool of a SMALL population that takes place strictly by chance. Genetic drift can result in genetic traits being lost from a population or becoming widespread in a population without respect to the survival or reproductive value of the alleles involved. A random statistical effect, genetic drift can occur only in small, isolated populations in which the gene pool is small enough that chance EVENTS can change its makeup substantially. In larger populations, any specific allele is carried by so many INDIVIDUALS that it is almost certain to be transmitted by some of them UNLESS it is biologically unfavourable.Hope this will help you

tion:In humans, the female REPRODUCTIVE system is immature at birth and develops to maturity at puberty to be able to produce gametes, and to carry a foetus to full term. The internal sex ORGANS are the uterus, Fallopian tubes, and ovaries. The uterus or womb ACCOMMODATES the embryo which develops into the foetus.if u like the ans plz mark me brainlist and follow me

answrsearchWhat would you like to ask?11thBiologyAnatomy of Flowering PlantsAnatomy of Dicotyledonous and Monocotyledonous PlantsCollateral, OPEN vascular B...BIOLOGYavatarAsked on December 27, 2019 byKing AnjiCollateral, open vascular BUNDLE and eustele is present inHARDHelp best friendStudy laterANSWERDicot stem vascular bundles are eight in number, arranged in form of a broken ring. The vascular bundles are conjoint, collateral and open. Xylem is on the inner surface and phloem on the outer surface. Xylem is described as endarch. Dicot ROOT vascular bundles are described as radial and tetrarch. There are four bundles each of xylem and phloem occurring alternately. Xylem is described as exarch. Monocot root vascular bundles are radial in arrangement. There are eight bundles each of xylem and phloem. Hence, the CONDITION is described as polyarch. Xylem is described as exarch. Monocot stem vascular bundles are described as conjoint, collateral and closed. Eustele is present in most of seed plant stems. Thus, option A is correct.

Fungi are usually classified in four DIVISIONS: the CHYTRIDIOMYCOTA (chytrids), Zygomycota (bread molds), Ascomycota (yeasts and SAC fungi), and the BASIDIOMYCOTA (club fungi). Placement into a division is based on the way in which the fungus reproduces sexually.Fungi are eukaryotic ORGANISMS means they have true nucleus.

I gene splicing , scientists take a specific restriction unravel a certain strand or strands of DNA. the DNA DOUBLE helix structure is then SEPARATED into SINGLE strands . this would mean that every word sequences LEADS to a different TRAIT in the sentence DNA

In humans, the female REPRODUCTIVE system is IMMATURE at birth and develops to maturity at puberty to be able to produce GAMETES, and to carry a foetus to full term. The internal sex organs are the UTERUS, Fallopian TUBES, and ovaries.

it is falseExplanation:HOPE it will HELP you

There are three principal cell shapes associated with epithelial cells: SQUAMOUS epithelium, cuboidal epithelium, and columnar epithelium. There are three ways of DESCRIBING the LAYERING of epithelium: SIMPLE, stratified, and pseudostratified.

Holi is known as the festival of COLOURS. It is one of the most important FESTIVALS in India. Holi is celebrated each year with zeal and enthusiasm in the month of March by followers of the HINDU religion. Those who celebrate this festival, wait for it EVERY year EAGERLY to play with colours and have delectable dishes.

Heterotrophs obtain their energy DIRECTLY or INDIRECTLY from other organisms, while autotrophs obtain energy from inorganic sources, where they convert light energy (sunlight) into CHEMICAL energy. Heterotrophs depend on autotrophs for their FOOD, while autotrophs are not.Explanation:hope this HELPS you!!

xcessive FERTILISERS in the field and PUTTING unwanted waste in abandoned fields CAUSED water pollution.Answer: Both 1 and 3

If all the GLUCOSE is not needed for energy, some of it is stored in fat cells and in the liver as glycogen. As SUGAR moves from the blood to the cells, the blood glucose LEVEL RETURNS to a normal between-meal range.

During ASEXUAL reproduction, sporangia produces many HAPLOID SPORES, which germinates giving rise to the gametophyte, the prothallus. The prothallus bears MALE sex organ antheridia and female sex organ archegonia, which produce antherozoids and eggs respectively.Explanation:MARK me as brainlist

According to the Chargaff's rules the DNA from any CELL of all organisms should have a 1:1 ratio (base Pair Rule) of PURINE bases [for the DNA cytosine, thymine and for the RNA uracil] and pyrimidine bases [guanine and adenine for RNA and DNA]. ... You can FOLLOW this rule in both strands of the DNA.

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tion:Chemical coordination occurs in plants with the help of fluids secreted in plants KNOWN as phytohormones or plant hormones. ... For EXAMPLE, auxin is RESPONSIBLE for the GROWTH of the plants and cytokinin helps in cell division in the fast-growing part of the plant such as plant hormones.

Velamen or velamen radicum is a spongy, multiple epidermis that covers the ROOTS of some epiphytic or semi-epiphytic plants, such as orchid and Clivia species.Explanation:HOPE this answer is helpful for you.Thank you.PLEASE MARK ME BRAINLIEST

email is the electronic MAIL through we can send MESSAGES to anyone if we know his or her email ID from laptop, phone, computer ..please THANK me

Four characteristics of food web are: 1) It consists of number of interconnected food chains through which energy TRAVELS in an ECOSYSTEM. 2)USUALLY members of higher trophic level feed upon many ORGANISM of lower trophic level. 3)Presence of complex food webs increases the stability of the ecosystem.

rodsExplanation:they have rodsin EYES

tion:Ten PERCENT lawAccording to this law, during the transfer of organic food energy from ONE trophic level to the NEXT higher level, only about ten percent of the transferred energy is STORED as flesh.

A group of ATOMS CARRYING a charge is KNOWN as POLYATOMIC IONS

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the assertion and the reason are true and the reason is a correct explanation of the assertionIf both assertion and reason are true but the reason is not a correct explanation of the assertionIf the assertion is true but the reason is FALSEIF both the assertion and reason are falseAnswer : dSolution : Most of the bryophytes are land dwellers which inhabit DAMP, SHADED and HUMID LOCALITIES. A few of them live in on float on water. The bryophytes cannot carry on their reproductie activities without sufficient moisture. Presence of water is necessary.

To perform PHOTOSYNTHESIS, PLANTS NEED THREE things: carbon dioxide, water, and sunlight for photosynthesis.

Monera are about 1 MICROMETER in size and complex as LIVING molecules. The Monera cell structure is MOSTLY unicellular and some organisms orm groups or filaments. These organisms are the SIMPLEST prokaryotic cell STRUCTURES. The cell structure lacks nuclei and many other cell organelles.

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EggplantThe EGGPLANT is BELIEVED to have originated in INDIA, where it is CONSIDERED to be the King of Vegetables.I hope it will be HELPFUL to you friend

Answer of 1 ST QUESTION is in the attachment and 2 nd I don't know .Explanation:Hope it HELPS !!!!