The placenta secretes hCG, which causes the ovaries to maintain cyclic follicular development (ovulations) during pregnancy
Indicate whether the statement is true or false
F
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The tension that a sarcomere can produce is related to its length. The same is true for a skeletal muscle, as it is composed of sarcomeres arranged end to end
Explain how the structure of a sarcomere allows the most tension to be generated at an intermediate length, while the longest and shortest lengths will produce very little tension. What will be an ideal response?
The information the body receives from a receptor detecting a stimulus and recognize a change
is called a A) perception. B) feedback. C) sensation. D) thinking. E) a preprogrammed response.
All of the following local chemical factors will cause vasodilation of arterioles, except
a. decreased K+. b. increased CO2. c. increased acid. d. decreased O2. e. histamine release.
Each of the following is true concerning mitochondria except
A) the cristae increase the inner surface area of the organelle. B) it has its own DNA. C) it contains ribosomes. D) in glycolysis reaction pyruvate is produced from glucose inside the mitochondria. E) the matrix is the fluid that is enclosed by inner membrane.