Question

What is blood? What are the components present in the blood? State the function of each component.

Answer 1

Explanation:

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• Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss.

Answer 2

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Answer⤵⤵⤵

➡ BLOOD

Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood plasma.

➡COMPONENTS

It has four main components:

• plasma
• red blood cells
• white blood cells
• and platelets

➡FUNCTION

• PLASMA : Plasma contains proteins that help blood to clot, transport substances through the blood, and perform other functions.

• RED BLOOD CELLS: The primary function of red blood cells is to transport oxygen to body cells and deliver carbon dioxide to the lungs. A red blood cell has what is known as a biconcave shape

• WHITE BLOOD CELLS :These cells help fight infections by attacking bacteria, viruses, and germs that invade the body.

• PLATELETS:Secrete vasoconstrictors which constrict blood vessels, causing vascular spasms in broken blood vessels.

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