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Which pigment gives red colour to blood? 
1. Serum globulin 
2. Serum albumin
3. Haemoglobin
4. Plasma protein

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Correct Answer - Option 3 : Haemoglobin

The Correct Answer is Haemoglobin.

 

  • Blood has four main components: plasma, red blood cells, white blood cells, and platelets.
  • Red Blood cells contain a special protein called hemoglobin.
  • Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin.
  • Hemoglobin helps to carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs.

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Plasma

  • The liquid component of blood is called plasma.
  • Plasma is a mixture of water, sugar, fat, protein, and salts.
  • The main job of the plasma is to transport blood cells throughout the body along with nutrients, waste products, antibodies, clotting proteins, chemical messengers such as hormones, and proteins that help maintain the body's fluid balance. 

Globulin

  • Globulins are a group of proteins in the blood.
  • They are made in the liver by the immune system.
  • Globulins play an important role in liver function, blood clotting, and fighting infection.

Albumin

  • Albumin is a protein made by the liver.
  • Albumin helps keep fluid in the bloodstream so it doesn't leak into other tissues.
  • It also carries various substances throughout the body, including hormones, vitamins, and enzymes. 

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