Plz answer this test ASAP The cardiovascular system is composed of two circulatory paths: pulmonary circulation and systemic circulation.
Pulmonary circulation transports deoxygenated blood from the right side of the heart to the

A. left side of the heart where it is pumped to the lungs for oxygenation

B. lungs where blood picks up oxygen and returns to the left side of the heart

C. lungs where blood picks up oxygen and returns to the right side of the heart

D. lungs where the blood picks up oxygen and transports it to the tissues of the body

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.