Question

Fibers are absent in:
1. Liver
2. Heart
3. Kidney
4. Blood

Answer 1

Correct Answer - Option 4 : Blood

The correct answer is Blood.

• Fibers are absent in blood.

•  Human Blood:
  • The quantity of blood in the human’s body is 7% of the total weight.
  • Blood is fluid connective tissue and composed of blood corpuscles, plasma and platelets.
  • It is slightly alkaline in nature (pH 7.4).
• Blood Consists of Two Parts:
  • (A) Plasma; and (B) Blood corpuscles.
  • Plasma: This is the liquid part of blood. 60% of the blood is plasma.
  • Its 90% part is water, 7% protein, 0.9% salt and 0.1% is glucose.
    • The function of plasma: Transportation of digested food, hormones, excretory product, etc. from the body takes place through plasma.
  • Blood corpuscles: This is the remaining 40% part of the blood.
    • Red Blood Corpuscles (RBC): Red Blood Corpuscles (RBC) in a mammal is biconcave.
    • White Blood Corpuscles (WBC) or Leucocytes: Its formation takes place in Bone marrow, lymph node and sometimes in the liver and spleen.