Which of the following statements about the mammary glands is TRUE?
A. They are only part of the female reproductive system.
B. They have no relationship to the female reproductive system.
C. They are accessory sexual organs that do not have a direct reproductive function.
D. They are not sexual organs, though they are impacted by sex hormones.
Answer: C
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Which of these would increase the tension generated in a skeletal muscle?
A. Stretching the muscle to very long lengths B. Switching off fast-glycolytic motor units and activating an equal number of slow-oxidative motor units C. Increasing the frequency of firing in alpha motor neurons innervating the muscle D. Resting the muscle for several weeks E. Increasing the amplitude of action potentials in the alpha motor neurons that innervate the muscle
The difference between carbon-13 and carbon-14 is their number of ________.
Fill in the blank(s) with the appropriate word(s).
The first structure in the kidney to collect newly formed urine is the
A. renal cortex. B. renal sinus. C. renal capsule. D. minor calyx. E. renal pelvis.
the ovaries secrete
What will be an ideal response?