Match the following items. 1 .
O
filters out liquid waste
2 .
villi
cools the body
3 .
kidneys
produces bile
4 .
vein
carries blood back to the heart
5 .
AB
place where oxygen and carbon dioxide exchange
6 .
air sac
universal blood receiver
7 .
atrium
universal blood giver (donor)
8 .
liver
upper chamber of the heart
9 .
skin
takes in dissolved food
10 .
ventricle
lower chamber of the heart

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous