A typical ejaculation results in the discharge of 2 to 5 mL of the fluid called ___________
A.
semen
B.
sperm
C.
seminal vesicle secretions
D.
mucous
E.
prostatic secretions
A
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The floor of the orbit is formed by the
A. maxillary and zygomatic bone. B. ethmoid and lacrimal bones. C. zygomatic and sphenoid bones. D. frontal bone.
An example of a receptor in a negative feedback loop controlling body temperature would be
A) temperature sensors on the skin that detect a stimulus. B) sweat glands that increase secretion. C) regulatory centers that send commands to an effector. D) effectors that cause blood vessels to dilate. E) sweat glands that act like effectors.
A ______________ view places an animal on its chest for an x-ray
Fill in the blank(s) with correct word
The upper respiratory tract extends from the nose through the ________.
A. pharynx B. alveoli C. trachea D. larynx E. lungs