Blood helps regulate body temperature by:
A) increasing metabolic rate (which generates more heat)
B) vasodilation of surface vessels radiates heat away from body core
C) triggers constriction of arrector pili muscles (increasing insulation)
D) regulation of pH through buffering systems
Answer: B) vasodilation of surface vessels radiates heat away from body core
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Bilirubin enters the liver having originated in the spleen.
Answer the following statement true (T) or false (F)
Identify the following
Ligaments are _____.?
A) ?fibrous bands that connect bones to muscles B) ?osteocytes C) ?fibrous bands that connect bones and cartilages D) ?joints
Orange juice is acidic. When people drink orange juice and the acid enters their blood, the extra hydrogen ions combine with ________, providing a helpful buffer.
A. bicarbonate B. calcium C. hemoglobin D. hydrochloric acid