what are the components of blood? explain
Answers
Answer:
- Plasma: is the main component of blood and consists mostly of water, with proteins, ions, nutrients, and wastes mixed in.
- Red blood cells: are responsible for carrying oxygen and carbon dioxide.
- Platelets: are responsible for blood clotting.
- White blood cells: are part of the immune system and function in immune response.
Explanation:
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Blood contains a fluid part called plasma and a cellular part comprising of red blood cells, white blood cells and platelets. Plasma contains water, salts and gases.
The liquid state of blood can be contributed to plasma as it makes up ~55% of blood. It is pale yellow in colour and when separated, it consists of salts, nutrients, water and enzymes. Blood plasma also contains important proteins and other components necessary for overall health. Hence, blood plasma transfusions are given to patients with liver failure and life-threatening injuries.
Red blood cells consist of Haemoglobin, a protein. They are produced by the bone marrow to primarily carry oxygen to the body and carbon dioxide away from it.
White blood cells are responsible for fighting foreign pathogens (such as bacteria, viruses, fungi) that enter our body. They circulate throughout our body and originate from the bone marrow.
Tiny disc-shaped cells that help regulate blood flow when any part of the body is damaged, thereby aiding in fast recovery through clotting of blood.