Question

What are the functions of blood?

Describe the functions of the: Blood

State any five functions of blood.

Mention any two functions of blood.

Answer 1

1. Blood transports nutrients, oxygen, wastes, and hormones.
2. It regulates the water level and body temperature.
3. It takes oxygen to tissues and cells finally reaches the lungs to take oxygen again.

Answer 2

Functions of blood:

• It transports carbon dioxide from the tissues to the lungs partly in combination with haemoglobin and partly as a solution in blood plasma.
• It transports digested food to different organs of the body which is utilized by cells.
• Transport of hormones.
• Transport of nitrogenous excretory products like ammonia, urea, and uric acid.
• It is involved in the protection of the body and defence against diseases.
• It acts as a buffer and also helps in the regulation of pH and body temperature.
• It maintains proper water balance in the body.
• It forms a clot wherever there is a cut in a blood vessel. The clot prevents further blood loss and the entry of disease germs.

Answer 3

(i) It transports oxygen from the lungs to body tissues.
(ii) It transports carbon dioxide from the tissues to the lungs partly in combination with haemoglobin and partly as a solution in blood plasma.
(iii) It transports digested food to different organs of the body which is utilized by cells.
(iv) It helps in keeping the temperature of the body uniform by distributing heat.
(v) It forms a clot wherever there is a cut in a blood vessel. The clot not only prevents further loss of blood but also prevents the entry of disease germs.

Answer 4

Functions of blood:

• Transport of respiratory gases (Oxygen and CO₂).
• Transport of digested food materials to different body cells.
• Transport of hormones.
• Transport of nitrogenous excretory products like ammonia, urea, and uric acid.
• It is involved in the protection of the body and defense against diseases.
• It acts as a buffer and also helps in the regulation of pH and body temperature.
• It maintains proper water balance in the body.