Tha answer would be D (the skull)ㅤㅤㅤㅤ
Answer:
The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place (Figure below). The transfer of oxygen into the blood is through simple diffusion. ... While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries.
Explanation:
C! I just did cells and their organelles!
The answer to this question is that two different neutral isotopes of
the same element will have the same atomic number. This is due to them
having the same number of protons, and it is these protons which
determine the atomic number. However, these istotopes will have
different masses due to a difference in the amount of neutrons.
<h2><u>
Answer:</u></h2>
<em>C. skeletal muscle; cardiac muscle, smooth muscle, and organs</em>
<h3><u>
Explanation:</u></h3>
- The somatic nervous system has voluntary control of body movements via skeletal muscles, whereas the autonomic nervous system is responsible for controlling involuntary body functions, such as heartbeat, blood flow, breathing, and digestion.
- Skeletal muscle system (SNS) regulating voluntary skeletal muscle contraction and autonomous nervous system ( ANS) regulating involuntary control of smooth, cardiac muscles and glands.
<em>Hope this helps.</em>
