A major calyx empties into:
a. collecting ducts
b. a minor calyx
c. the renal pelvis
d. the renal sinus
Answer: c. the renal pelvis
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Blood leaving the left ventricle passes through which of the following structures?
a) Right atrium b) Interventricular septum c) Bicuspid valve d) Aortic semilunar valve e) Pulmonary semilunar valve
Two common forces that act to reduce momentum are ___________________ and __________________ __________________. ________________________________________
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about spermatogenesis is not true?
A) Each spermatid forms two sperm. B) The secondary spermatocytes each form two spermatids. C) The spermatogonium forms the primary spermatocyte. D) The primary spermatocyte forms two secondary spermatocytes.
The area in which the nerve fibers of the retina leave the eye to become the optic nerve is called the
A. ora serrata. B. ciliary process. C. trochlea. D. optic disc. E. macula lutea.