Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.

<h2><u>TRUE</u></h2>
- <u>system of layout refers to the designs of planting trees.it is desirable planted in a systemic way</u>
<h2><u>hope</u><u> it</u><u> helps</u></h2>
Answer:
canibal or carnivore
Explanation:
if you meat. you're a carnivore
The answer is A, genes. I hope this helped
Three examples are red blood cells, root hair cells, and sperm cell.