Question

Explain briefly the functions of blood.​

Answer 1

One of the key functions of blood is transport. Blood vessels are like networks of roads where deliveries and waste removal take place. Oxygen, nutrients and hormones are delivered around the body in the blood and carbon dioxide and other waste products are

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Answer 2

Blood performs several essential functions in the body:

1. Transportation: Blood carries oxygen from the lungs to body tissues and transports carbon dioxide from tissues to the lungs for elimination. It also transports nutrients, hormones, and waste products to and from cells.

2. Regulation: Blood helps regulate body temperature by absorbing and distributing heat. It also maintains the body's pH balance and electrolyte levels, ensuring proper functioning of various organs and systems.

3. Protection: Blood contains white blood cells (leukocytes) that play a crucial role in the immune system, defending the body against infections and foreign invaders. Platelets help in clotting to prevent excessive bleeding and aid in wound healing.

4. Homeostasis: Blood plays a key role in maintaining the body's internal environment stable and balanced. It regulates fluid balance by controlling water and salt levels.

Overall, blood is vital for sustaining life and ensuring the proper functioning of the body's various organs and systems.