The increase in myelination of the central nervous system
(CNS) during middle and late childhood is linked to the improvement of fine
motor skills that occurs around the same period (middle and late childhood;
typically from age 6 to 12).
Answer:
The correct option is : <u>C. prevent the immune system from responding to self-antigens</u> and <u>D. prevent excessive response to foreign antigens </u>
Explanation:
<u>Immune tolerance</u>, also known as the immunotolerance, of the immune system, is a state of unresponsiveness to the cells or tissues that are capable of eliciting an immune response in an organism.
Tolerance is classified into <u>central and peripheral. </u>The central tolerance is induced in the thymus and bone marrow. Whereas, the peripheral tolerance is induced in the other tissues and the lymph nodes.
<u>Central tolerance of the immune system is responsible for discriminating the self cells from the non-self cells of the body and thus prevents the body from responding to self-antigens.</u>
<u>Peripheral tolerance of the immune system is responsible for preventing excessive response of the immune system to foreign antigens like allergens.</u>
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Answer:
wo dah
Explanation:
the British can try speaking and saying wo dah
Marginal product is an extra unit of acommodity that is produced from employing one extra unit of input
Farmers were able to cultivate their crops on pea soils. The draining soils allow farmers to fertilized the land. Everglades also provided water supply to agricultural and urban areas. Phosphorus entered the Everglades Area where the farmers also enriched their lands with phosphorus fertilizers. The Federal government agreed to reduce the phosphorus in the area.