Alveolar walls are thin to enable the quick passage of oxygen in and out of the lungs. The lungs works hand-in-hand with the heart and also is responsible in converting blood that's de-oxygenated into an oxygenated blood that is usable by the organ systems of the body. The alveolar walls are also designed to have thin membranes so that it can expand and constrict quickly allowing us to breather properly.
Answer:
ATP contains energy in the chemical bonds between its phosphate groups, best explains how the structure of ATP helps provide energy to the cell.
Explanation:
brainly.com/question/2456485
Answer:
i believe that the awnser is A
Explanation:
The answer to this is all of the above.
Answer:
B. Every point on the line is an equivalent ratio.
C. As the line goes up, the speed increases.
D. Simone can pick any ratio on the line and she will be swimming at a rate of 2 mph.
Explanation:
If the line on the graph has equivalent ratio, it shows that the Simone swim at the speed of 2 mph. If the line on the graph goes up , it means the speed of swimming increases while when the line on the graph goes down, the swimming speed decreases so maintaining the speed of 2 mph, the line have to go horizontally in straight line. If Simone can pick any ratio on the line present on the graph so she has to swimming at a rate of 2 mph.
