Tadpoles eat mostly ____________ as their main diet source
Fill in the blank(s) with correct word
algae
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Cytokines function by __________.
A) digesting invading cells. B) poisoning and killing invading cells. C) acting as messengers for growth and activity of other cells and poisoning and killing invading cells. D) acting as messengers for growth and activity of other cells, poisoning and killing invading cells, and digesting invading cells. E) acting as messengers for growth and activity of other cells.
Emission
A) depends on waves of contractions of the preputial glands. B) begins with peristaltic contractions of the ductus deferens. C) is responsible for propelling spermatozoa into the female reproductive tract. D) involves contractions of the cremaster muscle. E) is associated with orgasm.
Cardiac output is (ESV-EDV) x heart rate
Indicate whether the statement is true or false
The respiratory system carries oxygen and nourishment to the cells of the body.?
Indicate whether the statement is true or false