They are capable of amoeboid movement. They engulf or destroy corona viruses. And play an important in body's defense mechanism. Which tissue is responsible for the human body's defense mechanism? a) Erythocytes. b)Leucocytes. c) Thrombocytes. d) Lymbh
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Leukocytes play a defensive mechanism in the human body.
Explanation:
An immune system is a complex group of cells that are defensive in nature. They help the body repel the disease-causing organisms.
They are two cooperative systems in the human body.
- nonspecific, innate immunity
- specific, acquired immunity
White Blood Cells are also known as Leukocytes.
- They protect the body from infections.
- They circulate in the blood.
- They respond to injury.
- They defend against diseases.
- They account for only 1% of the blood.
- WBC are formed from the bone marrow.
- The two types of Lymphocytes are T cells that grow from the thymus gland and B cells that grow from the lymph nodes and the spleen.
Types of WBC:
- Neutrophils: Protect the body from infections by killing foreign organisms like bacteria and fungi.
- Lymphocytes: T-cells, these are killer cells naturally. B cella protects against viral infections. They produce proteins to help fight infections. These proteins are also known as antibodies.
- Eosinophils: These cells identify and destroy parasites, cancer cells and they help basophils as an allergic response.
- Basophils: These cells respond to allergies like sneezing, coughing, and even a runny nose.
- Monocytes: Monocytes clean up the damaged cells to defend against infection.
Hence, Leukocytes are the cells responsible for the defensive mechanism in the human body.
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