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प्रश्न
What are the cellular components of blood?
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.
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संबंधित प्रश्न
What is the following and where do you find them in animal body?
Chondrocytes
Distinguish between Adipose and blood tissue
Name the kind of tissue that Binds different tissues together
List One Function of the Following : 2. Chondroblasts
Distinguish between the following pairs in one or two sentences for each
(a) RBCs and WBCs;
(b) bone and cartilage;
(c) blood and lymph.
(d) tendon and ligament
Name one place in living organisms where the following tissue is located:
Ligament
Name the kind of cells found in the following place:
Surface of the human skin
Give the structure and function of the following:
Bone
Name the tissues found:
at the joints of two bones
The question has four answers. Choose the correct answer:
Blood is which type of tissue
Answer the following question.
Priya got injured in an accident and hurt her long bone and later on she was also diagnosed with anaemia. What could be the probable reason?
State whether true or false. If false, correct the statement.
Bone and cartilage are two types of areolar connective tissues.
Non-shivering thermogenesis in neonates produces heat through ______.
Why blood is considered as a typical connective tissue?
Lining of blood vessels is made up of ______.
The matrix of the bone is rich in ______.
Why is blood considered to be a fluid connective tissue?
Identify the figure given below
- Label the parts A, B, and C
- What is the chemical composition of the tissue?
Which one of the following is NOT a connective tissue?
Write down the common features of the connective tissue. On the basis of structure and function, differentiate between bones and cartilages.
