Oxygen is transported through the body mostly ________
A) dissolved in the blood
B) dissolved in red blood cells
C) bound to hemoglobin
D) bound to dissolved iron
C
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The ____ in mammals allows water to exit but does not allow ions or urea to exit
a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle
Four of the five choices listed below are limited to
the node region. Select the exception. a. leaf axil b. node c. vascular bundle d. lateral bud e. leaf meristem
While driving down the interstate at rush hour, you get cut off by an 18-wheeler and have to slam on the brakes. In addition to a major case of road rage, you also develop a rapid heart rate and breathing rate. What caused this increase? (Indicate the
branch of the nervous system and neurotransmitters.) What is happening to your digestion at this point? What will be an ideal response?
In the earthworm, the typhlosole
a. Is the organ of locomotion b. Increases the absorptive area of the gut c. Grinds the food d. Produces secretions during mating e. Coordinates the contractions of the digestive system