Intercalated discs contain both desmosomes and gap junctions.
Answer the following statement true (T) or false (F)
True
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When we imagine a person exhibiting anatomical position, the palms of the hands are assumed to be facing ________
A) to the side B) forward C) down D) behind
A hemoglobin molecule is composed of
A) just two protein chains. B) four protein chains and four heme groups. C) four heme groups but no protein. D) just four protein chains and nothing else. E) just three protein chains.
All of the following are true about spinal nerves EXCEPT
A) they are all mixed. B) there are 31 pairs C) spinal nerves may contain nerve fibers of both the somatic and autonomic nervous systems. D) all motor nerve fibers in spinal nerves extend uninterrupted from the spinal cord to an effector.
There are more microbial cells than human cells in your body, and the health of this microbiota clearly influences human well-being. How many microbes are there?
A. For every cell in your body, there are ten thousand microbial cells. B. For every cell in your body, there are one thousand microbial cells. C. For every cell in your body, there are one hundred microbial cells. D. For every cell in your body, there are ten microbial cells.