Answer:

Explanation:
Sorry If it is wrong......
The one on the left because it fancy
Answer:
what choices
Explanation:
i cant answer you if you dont have the choices
The blood (circulatory system) carries oxygen to your lungs (respiratory system). Oxygen binds to the hemoglobin molecule in your blood and is carried back to the heart, then pumped out to the other parts of the body.
Hope this helps :)
Answer:
The correct answer is - the principle of overload.
Explanation:
One of the three basic principles in physical fitness is overload which suggests that an individual or species that works harder than the normal or required shows greater improvement and increases their physical fitness which leads to health benefits.
Overload means increasing physical activity by training harder to get more improvement to happen. In overload, the body performs better and adjusts in order to make it better for the future.
Thus, the correct answer is - the principle of overload.