Brain activity is decreased during sleep. In fact, the brainstem typically shows no activity at all.
Answer the following statement true (T) or false (F)
False
The brainstem is responsible for many vital body functions, and therefore its activities continue during sleep.
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Which plexus contains nerves that supply the upper limb?
A. Cervical B. Lumbar C. Brachial D. Axillary E. Sacral
Fontanels in the fetal skull permit some bone movement, enabling the fetus to pass more
easily through the birth canal during childbirth. Indicate whether the statement is true or false
Which of the following is a characteristic of mature red blood cells?
A. They have numerous mitochondria. B. They lack a nucleus. C. They play an important role in immune defense. D. They carry most of the carbon dioxide that is transported in the blood. E. They are able to undergo mitosis.