With advancing age, ________ become less elastic as the cross-links that hold collagen molecules together break down.
Fill in the blank(s) with the appropriate word(s).
ligaments
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What is the embryonic kidney that survives into adulthood?
A. Cloaca B. Metanephros C. Pronephros D. Mesonephros E. Mesonephric duct
A substance that dissociates in water to form cations and anions is called a nonelectrolyte
Indicate whether this statement is true or false.
As a result of stress the adenohypophysis releases ________, which stimulates release of hormones from the adrenal cortex that retain sodium and water, increase blood sugar, and begin breaking down fats.
Fill in the blank(s) with the appropriate word(s).
A child develops symptoms of chicken pox, produces antibodies against its specific antigens, and recovers from the illness. Later as an adult, he is immune to another exposure to the chicken pox virus. This is an example of which type of immunity?
A) artificially induced active immunity B) naturally acquired passive immunity C) artificially induced passive immunity D) innate (nonspecific) immunity E) naturally acquired active immunity