Walking a tightrope would activate what portion(s) of the medulla?
A. the pyramids
B. the superior colliculi
C. the olives
D. the pyramids and the superior colliculi
E. the pyramids and the olives
E
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Muscle fibers can have various arrangements. The most powerful arrangement is called
A) parallel. B) convergent. C) circular. D) pennate. E) None of the answers are correct.
The term embryo is used:
a. after the first 8 weeks of pregnancy b. after the blastocyst has implanted in the uterine wall c. during the entire pregnancy d. from fertilization to the end of the eighth week of pregnancy
Intercalated discs and striations are both characteristic of skeletal muscle
Indicate whether the statement is true or false
Imagine the following scenario: Blood pressure decreases below normal levels.? Blood flow to the heart decreases ? Heart is unable to pump as much blood.? Blood pressure decreases even more.This is an example of ________ feedback.
A. negative B. positive