Answer:
Circulatory system
Explanation:
From the right atrium through the tricuspid valve to the right ventricle through the pulmonary sigmoid valve to the pulmonary trunk to the right and left lungs to the capillary beds of the pulmonary veins to the left atrium to the left ventricle of the heart through the mitral valve, to the aorta through the aortic semilunar valve, to the whole body, to the systemic arteries, to the capillaries of the body tissues, to the systemic veins, to the superior cava vein and inferior cava vein, which enter the right atrium of the heart.
The answer is <span>about 10 percent of the energy available within one trophic level is transferred to organisms at the next trophic level.</span>
<span>B) to the left !!!!!!!!</span>
Answer:
Dark energy
Explanation:
A mysterious force that repels gravity
