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प्रश्न
What are the cellular components of blood?
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उत्तर
Blood is a fluid connective tissue. It is composed of plasma (fluid) and blood cells (corpuscles).
Cellular components of blood (blood corpuscles) constitute about 45% of blood volume.
Three types of blood cells are:
(i) Erythrocytes or red blood cells: They are most abundant blood cells. Normal RBC count is 5-5.5 million/mm3 in males and 4.5-5 million/mm3 in females) RBCs help in transport of gases and maintain blood pH.
(ii) Leucocytes or white blood cells: The normal WBC count is 5000-6000/mm3 of blood. They are involved in immune response of body and act as soldiers and scavangers.
(iii) Thrombocytes or blood platelets: There are about 2,50,000 platelets/mm3 of blood. They are involved in blood clotting.
संबंधित प्रश्न
Identify the type of tissue in the bone.
Distinguish between Dense regular and dense irregular connective tissues
Distinguish between the following pair in one or two sentences for RBCs and WBCs.
Name one place in living organisms where the following tissues is located:
Cartilage
Differentiate between:
Tendon and Ligament
Name the tissue associated with the following:
A man becoming fat.
How does cartilage differ from the bone?
Name the tissues found:
at the joints of two bones
Differentiate white adipose tissue from brown adipose tissue.
Why blood is considered as a typical connective tissue?
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
Water hyacinth float on water surface. Explain.
Bone possesses a hard matrix composed of ______ and ______.
Give reasons for
Branches of a tree move and bend freely in high wind velocity.
Tendon connects ______.
Write one point of difference between
Bone and cartilage.
Which of the following connective tissue often serves as a support framework for epithelium?
Which one of the following is not a connective tissue?
