Question

What is blood? What are the functions of blood?

Answer 1

Answer:

Blood has a number of functions that are central to survival, including: supplying oxygen to cells and tissues. providing essential nutrients to cells, such as amino acids, fatty acids, and glucose. ... protecting the body from infection and foreign bodies through the white blood cells.

Answer 2

Blood is a tissue ,which is composed of RBC, WBC and platelets.

Explanation:

Functions:

• Oxygen is important for the survival of an organism and it is needed by all the tissues and this requirement is fulfilled by the blood. It transport the pure oxygen from the lungs to the different tissues and cells of the body.

• It brings the Carbon dioxide from all the tissue in our body and then carbon dioxide is expelled out of our body through the nostril.

• It also fulfill the food requirement of different part of the blood by carrying  the food digested in intestine.
• It also help in removing waste by transporting the waste  to the kidneys for its removal.

Learn more about Blood

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