I think its B, im not sure because i need a specific age to determine it fully
Oxygen enters the lungs, then passes through the alveoli and into the blood.
Approximately, at least 4,000 young people try smoking for the first time each day.
Hope this helps!!
Answer: Anaerobic
Anaerobic simply means an absence of oxygen.
During exercise, muscle cells prefer to get energy by using oxygen, but in anaerobic conditions like high-intensity exercise, muscle cells rely on other reactions. It is an activity that causes you to be out of breath, like lifting heavy weight. Anaerobic exercise ’s main role is to build strong muscles.
Answer:
Explanation:
I need to get in shape so I will run the mile.
