A passive process, __________ is the movement of solute molecules from an area of greater concentration to an area of lesser concentration.
a. diffusion
b. osmosis
Answer: a. diffusion
Anatomy & Physiology
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A rat can be handled by holding the base of its tail
Indicate whether the statement is true or false
Anatomy & Physiology
Secondary spermatocytes divide to produce ________ spermatids, each having ________ chromosomes
A) millions of; 46 B) four; 23 C) one; 46 D) millions of; 23 E) four; 46
Anatomy & Physiology
A heartbeat begins with an electrical impulse generated by the ________
A) sinoatrial (SA) node B) Purkinje fibers C) atrioventricular (AV) bundle D) atrioventricular (AV) node
Anatomy & Physiology
Lacteals are
A. a type of lymphocyte. B. a nonspecific defense. C. lymphatic vessels in the lining of the small intestine. D. the sinuses inside a lymph node. E. germinal centers.
Anatomy & Physiology