Blood always flows through the system in the same pattern: coming from the body, passing through the right side of heart, then out to the lungs to receive oxygen, then passing back through the left side of the heart and then traveling out to the body. Heart valves help to keep the blood flowing properly to each important destination of the circulation journey.
Answer:
<u>Stores DNA</u>
Explanation:
The nucleus controls all the activities of a cell. The chromatin contains the hereditary materials, DNA while the nucleolus is responsible for the manufacture of ribosomes.
Answer:
C) the amount of energy available in the organisms at each level
Hope this helps
Explanation:
Your answer is........C. Speed
I believe it is glycolysis that is the first step in cellular respiration. Complete oxidation of glucose via respiration = four step process used to convert chem energy in glucose to ATP. 1. Glycolysis: This is where one 6-carbon molecule of glucose is broken down into two molecules of the three-carbon pyruvate.
