Define the following or Explain the terms:(i) System(ii) Blood circu

1.	Define the following or Explain the terms:(i) System(ii) Blood circulation(iii) Digestion(iv) Respiration
Answer» (i) A group of organs that carry out similar functions in the body is called a system. (ii) The process of keeping the blood flowing through all parts of the body is called blood circulation. (iii) The process of converting food to simpler substances which can get mixed into blood easily is called digestion. (iv) The process of entering of oxygen into the blood, so that it can be used to burn the food and release energy is called respiration.

Define the following or Explain the terms:(i) System(ii) Blood circulation(iii) Digestion(iv) Respiration

Answer»

(i) A group of organs that carry out similar functions in the body is called a system.

(ii) The process of keeping the blood flowing through all parts of the body is called blood circulation.

(iii) The process of converting food to simpler substances which can get mixed into blood easily is called digestion.

(iv) The process of entering of oxygen into the blood, so that it can be used to burn the food and release energy is called respiration.