Answer:
Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
Explanation:
I think the only one that is not true is that all cells have a nucleus.
I not sure but i think it is 4
<span>B, enzyme-linked receptor</span>
Answer: Pretty much it's asking if it is AP cuca
Explanation: