The primary muscle(s) involved in human breathing is/are the ____
a. external intercostals
b. internal intercostals
c. diaphragm
d. abdominal wall
e. lung
ANSWER: c
Biology & Microbiology
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An enlarged cecum is typical of _____
A) rabbits, horses, and herbivorous bears B) carnivorous animals C) tubeworms that digest via symbionts D) humans and other primates E) tapeworms and other intestinal parasites
Biology & Microbiology
The distance over which wind is blowing is referred to as:
a. fetch. b. duration. c. strength. d. depth. e. wind span.
Biology & Microbiology
In which of the following would it be possible to find the most dilute urine?
1.proximal tubule 2.loop of Henle 3.distal tubule 4.collecting duct
Biology & Microbiology
Where do substrates bind to enzymes?
A) in the active site B) anywhere C) in the effector site D) in the substrate groove
Biology & Microbiology