One major difference between these secondary lymphoid organs is the mechanism by which antigens or pathogens enter the organ.
Naive T cells can develop into effector and memory T cells, which remove the triggering antigen in peripheral tissues and produce protective immunity, with the help of secondary lymphoid tissues.
The spleen, which collects bloodborne antigens, the lymph nodes, which deal with antigens found in peripheral tissues, and the mucosa-associated, bronchial-associated, and gut-associated lymphoid tissues where antigens from epithelial surfaces are collected are examples of secondary lymphoid organs.
Therefore, One major difference between these secondary lymphoid organs is the mechanism by which antigens or pathogens enter the organ.
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Answer:
Increased activity increases heart rate
Decreased activity decreases heart rate.
Athletes typically have lower resting and active heart rates
Explanation:
Answer:
The answer is D.
Thigmotropism is the way that a plant grows in response to touch.
The number of H+ ions moving down the channel.
So id say the answer is C.
Answer:
because of the heatness and coldness of the object
