For astronauts in space, the otoliths in the macula would respond to
A) head position only.
B) linear acceleration and head position.
C) linear acceleration only.
D) rotational acceleration only.
C) linear acceleration only.
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The nuclei of the thalamus that project sensory information to the primary sensory cortex of the cerebrum belong to the ________ group.
Fill in the blank(s) with the appropriate word(s).
Preimplantation genetic diagnosis works because
A) the donor and recipient are siblings and therefore they share most of their genetic material. B) the missing genes are injected into cell nuclei of the recipient. C) each cell in a human at any stage can give rise to a separate individual. D) a cell can be removed from an 8-celled human embryo and the remaining 7 cells can continue developing.
Which of the following is NOT true about the heart?
A. The heart is about the size of a closed fist. B. The heart is located in the mediastinum. C. The apex of the heart is directed superiorly and to the left. D. Knowing the heart's position is important for effective CPR.
The rete testis
A. receives sperm from the seminiferous tubules. B. is the nerve plexus that supplies the testis. C. is a venous network that cools the arterial blood traveling to the testis. D. transports seminal fluid to the efferent ductules. E. is the site of spermiogenesis.