Answer:I do know that it has dna and rna
Explanation:
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
Answer:
i believe that they connect due to the cells need for energy and photosynthesis produces glucose for the plant to use as energy
Explanation:
The heart, the blood vessels, lymphatic system (or defense system), and the blood are the four main parts of the circulatory system.
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