Answer
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Hint: A blood cell, also called a haematopoietic cell or haemocyte, is a cell which is produced by haematopoiesis and found in the blood. Three types of blood cells include red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
Complete Answer:
- White blood cells made in the bone marrow and located in the blood and lymph tissue. Leukocytes are a major part of our body’s immune system.
- Leukocytes are further three types: granulocytes (neutrophils, eosinophils, and basophils), agranulocytes (monocytes and lymphocytes).
A. Granulocytes: Leukocytes having the presence of granules in cytoplasm. The granulated cells include- eosinophil, basophil, and neutrophil.
(I) Eosinophils: These cells fight against infections in parasites of vertebrates and for controlling mechanisms associated with the allergy and asthma.
(II) Basophils: Cells play an important role in non-specific immune response to pathogens, allergic reactions by releasing histamine and dilate the blood vessels and helps in relief from asthma. They release serotonin, histamine and heparin.
(III) Neutrophils: They are present in pus. Neutrophil helps in the killing bacteria with lysosomes by work as a strong oxidant.
B. Agranulocytes: Leukocytes without granules in their cytoplasm. Agranulocytes are two types: monocytes and lymphocytes.
(I) Monocytes: The most vital role of monocytes is to migrate into tissues and clean up dead cells, protecting against the blood borne pathogens.
(II) Lymphocytes: These cells produce the antibodies. Lymphocytes have two types of cells – B lymphocytes and T lymphocytes.
Leukocytes are called soldiers because they give immunity to our body.
Note: First cells of the immune system to respond to an invader are neutrophils. Leukocytes also provide relief in asthma by dilating the vessels.
Complete Answer:
- White blood cells made in the bone marrow and located in the blood and lymph tissue. Leukocytes are a major part of our body’s immune system.
- Leukocytes are further three types: granulocytes (neutrophils, eosinophils, and basophils), agranulocytes (monocytes and lymphocytes).
A. Granulocytes: Leukocytes having the presence of granules in cytoplasm. The granulated cells include- eosinophil, basophil, and neutrophil.
(I) Eosinophils: These cells fight against infections in parasites of vertebrates and for controlling mechanisms associated with the allergy and asthma.
(II) Basophils: Cells play an important role in non-specific immune response to pathogens, allergic reactions by releasing histamine and dilate the blood vessels and helps in relief from asthma. They release serotonin, histamine and heparin.
(III) Neutrophils: They are present in pus. Neutrophil helps in the killing bacteria with lysosomes by work as a strong oxidant.
B. Agranulocytes: Leukocytes without granules in their cytoplasm. Agranulocytes are two types: monocytes and lymphocytes.
(I) Monocytes: The most vital role of monocytes is to migrate into tissues and clean up dead cells, protecting against the blood borne pathogens.
(II) Lymphocytes: These cells produce the antibodies. Lymphocytes have two types of cells – B lymphocytes and T lymphocytes.
Leukocytes are called soldiers because they give immunity to our body.
Note: First cells of the immune system to respond to an invader are neutrophils. Leukocytes also provide relief in asthma by dilating the vessels.
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