BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It makes B cells
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It makes T cells
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It stops working as you age
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All of the above are correct
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Detailed explanation-1: -The thymus gland will not function throughout a full lifetime, but it has a big responsibility when it’s active-helping the body protect itself against autoimmunity, which occurs when the immune system turns against itself.
Detailed explanation-2: -Age-related regression of the thymus is associated with a decline in naïve T cell output. This is thought to contribute to the reduction in T cell diversity seen in older individuals and linked with increased susceptibility to infection, autoimmune disease, and cancer.
Detailed explanation-3: -A critical immune organ called the thymus shrinks rapidly with age, putting older individuals at greater risk for life-threatening infections. A new study reveals that thymus atrophy may stem from a decline in its ability to protect against DNA damage from free radicals.
Detailed explanation-4: -Answer and Explanation: The correct answer is a. All of the given choices are true of the thymus gland, except that it activates B cells. The thymus gland is a small gland that produces T-cells and hormones, such as thymosin, which stimulate T-cell maturation.