Describe the two paths of blood circulations through the body

The two paths of blood circulation are the pulmonary circulatory system and the systemic circulatory system.

Explanation:

According to study.com and slader.com

Explanation:

The two paths of blood circulation are the pulmonary circulatory system and the systemic circulatory system. In the pulmonary circulatory system, the blood from the heart is pumped to the lungs for oxygenation, then pumped back into the heart.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."