The type of exercise that creates new blood vessels and makes the heart pump more efficiently is ________

Fill in the blank(s) with correct word


aerobic

Biology & Microbiology

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The humoral immune system involves cells in the immune system.

a. true b. false

Biology & Microbiology

Energy is commonly defined as ____.

A. a form of heat B. thermodynamics C. the capacity to change D. the capacity to do work E. the ability to do work

Biology & Microbiology

In a 32-cell stage tunicate embryo, if the vegetal marginal cells lack a functional FGF receptor, which structure(s) will fail to develop? (Select all that apply)A) notochordB) mesenchymeC) muscleD) nerve cord

What will be an ideal response?

Biology & Microbiology

Can a blue crab find its identical twin?

A. No, spiral cleavage is determinate. B. Yes, crab larvae reproduce via mitosis. C. No, arthropods are deuterostomes, and twinning only occurs in protostomes. D. Yes, the separation of embryonic cells is rare but not lethal.

Biology & Microbiology