Food enters the mouth, an activity called ________, and is ________ by the actions of the teeth and tongue.
A. mastication; absorbed
B. ingestion; physically processed
C. absorption; masticated
D. digestion; chemically processed
Answer: B
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The two hormones released by the neurohypophysis are
A) estrogen and progesterone. B) ADH and oxytocin. C) GH and prolactin. D) thyroid hormone and somatotropin. E) None of the answers are correct.
You observe a small, nonpolar molecule near a membrane. How would this molecule likely transport across the membrane?
A)transport across the membrane? B)active transport C)channel-mediated facilitated diffusion D)carrier-mediated facilitated diffusion E)simple diffusion
Which of the following cell types cannot renew themselves by division?
A) liver and heart B) nerve and muscle C) skin and nerve D) gastrointestinal and skin
During which event of the cardiac cycle does aortic pressure reach its maximum?
a. Isovolumetric relaxation b. Ventricular filling c. Isovolumetric contraction d. ventricular ejection