Describe the function of immune system
Describe the function of immune system?
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The immune system performs particular defense against agents, the antigens which are foreign or injurious to the body. Exogenous antigens are frequently in contact with the skin or entering the airway, the digestive tube and genital mucosae and orifices. They can as well penetrate the circulation directly via wounds.
State what is homeostasis? What are controllers, sensors and effectors of homeostasis?
What do you mean by the term corpus luteum? Briefly illustrate it.
Specify the Haversian canals and the Volkmann’s canals of bones? Whether, osseous tissue is vascularised or not?
State the importance of iron in the diet? Which disease is caused by the deficiency of the iron?
Briefly define the term reflex arc?
State an example of positive feeback of the homeostatic regulation?
Besides pancreatic juice in intestine there exists releasing of enteric juice which consists of the digestive enzymes too. State these enzymes and which kind of molecule do these enzymes break?
How the vibration of sound is captured by the tympanum which is transmitted through the ossicular chain of middle ear?
What are the major properties of water which make water special for life?
Explain the penetration the male gamete to the egg cell? How does the female gamete defend itself from the entry of more gametes after the entry of the first sperm cell?
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