During inspiration (a.k.a. inhalation) of air into the lung of a mammal

A. the intercostal muscles relax.
B. the chest cavity has a positive pressure.
C. the diaphragm contracts.
D. the diaphragm moves upward.
E. the rib cage moves down.


Answer: C

Biology & Microbiology

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A sparrow learning the song of its species is considered ________. a. imprinting b. habituation c. None of these choices

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A "de facto" wilderness is an area that

A. is legally classified as wilderness. B. contains only small human settlements. C. is gradually returning to wilderness conditions. D. is wild but not legally recognized or protected. E. was once developed but no longer has human development.

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What will be an ideal response?

Biology & Microbiology

The measure of how blood glucose levels are affected by a given amount of carbohydrate is:

A) monosaccharide ratio. B) sugar input. C) insulin index. D) glycemic load.

Biology & Microbiology