Question

3 functions of blood

Answer 1

1) Oxygen from the lungs to the tissues, & carbon dioxide from the tissue to the lungs for excretion.
(2) Nutrients from the alimentary tract to the tissues, and cellwastes to the excretory organs by kidney.
(3) Hormones secreted by endocrine glands to their target glands & tissues.
(4) Heat produced in active tissues to the other less active tissues.
(5) Protective substances e.g antibodies , to areas of infection
(6) Clotting factors that coagulate blood, minimising bleeding from ruptured blood vessels.

Blood makes up about 7% of body weight about 5.6 litre in a 70 kg man.

Answer 2

Heya!!Here is your answer friend ⤵⤵

◀Blood is a fluid connective tissue which contains : RBCs, WBCs , Platelets suspended in a fluid medium called plasma ..

Functions of blood--

1. It helps in the transportation of nutrients and other useful substances in dissolved form .

2. WBCs present in blood fight against disease and protect our body.

3. Platelets present in blood help in clotting of blood .

4. RBCs contain Hemoglobin that provides energy ( deficiency leads to Anaemia )


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