"1.look at figure 30-1. in which structure is water extracted for digestive food?
a. b
b. d
c. g
d. h

2. where does the process of chemical digestion begin?
a. stomach
b. esophagus
c. small intestine
d. mouth

3.what is the purpose of villi in the small intestine?
a. to neutralise stomach acid
b. to break down protein into amino acids
c. to sweep food out of the small intestines and into large intestines
d. to increase the surface area through which nutrients can be absorbed"

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening