Mechanical movement and Chemical reaction.
Air is transported into your lungs by the mechanical movements.
Oxygen is used during chemical reactions that release energy in your cells..
Can I please get Brainliest!!!
If you're working on muscular fitness I'd focus more on the amount of weight you're lifting, along with then number of reps, and the type of excersises you're doing
Answer:
A person who helps students to acquire knowledge, competence or virtue is a <u>teacher.</u>
Explanation:
This is because teachers do their best to help teach new things to students (helps students to acquire knowledge).
Hope this helps! :D
