Answer:
<em><u>B</u></em>
Explanation:
cell is the first organization level
tissue is the second level
organ is the third level
organ systam is the fourth level
organsim is the last organization level
Muscle tissue is responsible for about 22% of the calories burned at rest, fat accounts for only 4%.
Answer:
Cells contain DNA that controls the production of proteins.
Explanation:
Hi
1. Lithosphere
2. Hydrosphere
3.atmosphere
4. Biosphere
The lithosphere/geosphere is made of the earth's core, the mantle, crust, ocean floor,mountains, sand, etc.The hydrosphere is made of everything water such as oceans, rivers, lakes, rain, and snow.The atmosphere is made of gasses such as oxygen, and hydrogen.Finally the biosphere is all that has life such as plants, animals, people, insects, etc.
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.