When blood reaches the lungs, what does it unload?
A. CO
B. O
C. O2
D. CO2
Answer: D
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What will be an ideal response?
Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.Stimulation of this system often activates many effectors at the same time
A. Parasympathetic B. Sympathetic
A crime scene investigator found that a biological fluid sample contains a large amount of IgA-type antibody. This fluid is probably
A) blood. B) lymph. C) serum. D) tears. E) interstitial.
Which of the terms below describes the chromosomal characteristic of an individual presented as a systematic arrangement of pairs of metaphase chromosomes arranged by size?
a) Conceptus b) Primordium c) Epigenesis d) Karyotype e) Fertilization age