Pulmonary circulation is the key component that supports both respiratory and cardiovascular systems. Examine this diagram of
a human heart as seen while looking at the front of the body.

Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?

Compare the two theories regarding the evolution of dinosaurs and then consider the cladogram above. although the two theories differ on the evolutionary path of dinosaurs, they agree that

Which statement is a correct description of the processes of respiration and transpiration in a plant? question 7 options: transpiration is when the plant loses water through its leaves. respiration is when the plant breaks down the sugar in its cells to release energy. transpiration is when the plant pulls water into its roots. respiration is when the plant breathes. transpiration is when the plant grows over time. respiration is when the plant breaks down the sugar in its roots. transpiration is when the plant produces buds. respiration is when the plant dies.