The right AV valve is also called the __________ valve
Fill in the blank(s) with correct word
tricuspid
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The continual movement of fluid through the interstitial space functions to
A) flush hormones and wastes from the interstitial space. B) accelerate the distribution of nutrients and hormones. C) help carry toxins and bacteria to cells of the immune system. D) assist the transport of insoluble substances that cannot enter the capillaries. E) All of the answers are correct.
Why is there variation in skin color among modern humans?
A. People are exposed to different chemicals over their lifetime. B. People have different numbers of melanocytes. C. People have a different distribution of melanin in their epidermis. D. People have a different distribution of carotene in their skin. E. People have different hemoglobin in vessels close to their skin.
Collagen is best described as a(n)
A) Intracellular matrix protein. B) Extracellular matrix protein and one of the earliest innovations observed in animals. C) Matrix protein that all animals have, with the exception of sponges. D) Intracellular matrix that is a basis for communication between cells.
In the kidney, a(n) ________________________________________ is a point of attachment or depression
Fill in the blank(s) with correct word