The sinoatrial node sets the heart rate by sending its impulse to the atrioventricular node for distribution.
Answer the following statement true (T) or false (F)
True
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If even a small part of the spleen is left in a ten-year-old child, it will most likely regenerate itself
Indicate whether the statement is true or false
Lymphatic capillaries are ________
A) similar in structure to arteries B) similar in structure to capillaries C) similar in structure to veins D) completely impermeable
Match the pathological condition with its cause.A. Decreased amounts of thyroid hormoneB. Increased amounts of thyroid hormoneC. Abnormally low levels of aldosterone and cortisolD. Increased levels of growth hormone in adultsE. Lack of ADHCretinism
Fill in the blank(s) with the appropriate word(s).
T lymphocytes are responsible for
A. humoral immunity. B. cell-mediated immunity. C. producing antibodies. D. programming macrophages.