Ans: Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
Answer:
the medulla oblongata is located in region c
Explanation:
i took the test
They live on average for about 6-9 years
The answer you are looking for is D, the cell membrane!
Not sure how to explain it, it's biology, mostly memorization.
- - Science put to practical use is formally known as technology.
