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

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.