Which organ system filters wastes from the
blood?
a. respiratory
b. urinary
c. digestive
d. endocrine
e. circulatory
B
Biology & Microbiology
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The person who first used the term cell was
(a) Darwin. (b) Leeuwenhoek. (c) Hooke. (d) Watson.
Biology & Microbiology
Do you agree with the practice of using PGD to select for gender or for genetic disabilities present in the parents (for example, deafness and dwarfism)? Why or why not? Should there be legal restrictions on PGD in the US? Why or why not?
What will be an ideal response?
Biology & Microbiology
dilation of the __ causes the lacunae to fill with blood and the penis to become erect
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Is the resting membrane potential of a neuron closer to the equilibrium potential for K+ or Na+?
A. Na+ B. K+ C. It is an average of the two.
Biology & Microbiology