The aortic valve is in the left ventricle. When the heart muscle contracts (or beats), it is pumping blood out of the heart. ... The right side collects oxygen-poor blood from the body then pumps it to the lungs where it can pick up oxygen and release carbon dioxide.
Answer:
A. 10 J
Explanation:
As much as 10% of energy moves up the trophic levels.
Answer:
Explanation:
Many animals have developed specific parts of the body adapted to survival in a certain environment. Among them are webbed feet, sharp claws, whiskers, sharp teeth, large beaks, wings, and hooves. In most aquatic animals, swimming is a must.
<span>Many of the plant catalog pages or botanist's sketches of plants can be viewed at museums because of their beautiful detail and exact color variation. Botanists are able to draw such detailed-images because of their intricate knowledge on the structure of plants.</span>
