Blood is the red color connective tissue fluid which circulates in our body.
Functions of blood are as follows
- Blood carries oxygen from the lungs to different parts of the body and carries back carbon dioxide from the body cells to the lungs for respiration.
- It helps in transport of nutrients to all parts of the body for storage oxidation and synthesis of new substances.
- Blood is involved in the transport of excretory Products like Urea, uric acid and ammonia.
- The plasma in Blood carries hormones from Their place of synthesis to the target organs.
- Blood acts as a buffer system in our body. It helps in regulation of body temperature and ph.
- Blood protects us against diseases by engulfing the disease causing microbes by phagocytosis.
- Platelets present in the blood form a clot at the sight of injury to prevent further loss of blood.
- Blood maintains proper water balance in the body to a required constant level.
- Nutrients absorbed in the small intestine enter the blood capillaries. Blood carries these nutrients and distributes them to all parts of the body.