Answer:
The cardiovascular system pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.
<span>The answer is D. It occurs continuously in the cells of all organisms and often involves an exchange of gases. There are 2 types of cells, 1 is Eukaryotic, which holds a nucleus, and the 2nd is Prokaryotic, which do not. Prokaryotes are single-celled organisms,</span>
Type one is a slowly getting rid of sugar
type two is not being able to get rid of sugar all together
Answer:
C. Be an athlete or work in a fitness-related field.
Explanation:
I had this same question and got it right. The other answers don't have anything to do with having a high fitness rating. If you have a high fitness rating it usually means you are in a sports team or can push yourself farther than others, and you will probably take that further into the future.
Answer:
Katie has her toes and knees on the floor, back flat with rear end over the knees, hands under her shoulders, and elbows bend to 45 degrees.
Explanation:
The rest of his friends are bending their arms too little/too much, and all have their backs lined up wrong.
