Answer:
Respiratory
Explanation:
It provides oxygen that is necessary for the heart to pump blood to the body. It also provides oxygen for the brain to work
Answer:
I WANNA TALK
Explanation:
altho can i hav brainliest it would help alot plz? tysm!!! :D
Answer:
A form of high intensity interval training, CrossFit is a strength and conditioning workout that is made up of functional movement performed at a high intensity level.
Explanation: