Warming up is important because you need to "warm up" your core and muscles and gets the blood flowing in preparation of a strenuous workout. It also helps prevent the risk of injury.
Stretching, walking, jogging, arm circles, lunges, squats and jumping jacks are good choices to include in a warm up
The answer is most likely the colors used in the ad.
Hope this helps!!
i belive the answer is c
i did this in healt class
can i get brainlest
Answer: In the air sacs
Explanation: Air sacs has a million tiny holes that is were oxygen transfers. Inside the air sacs oxygen moves across paper thin walls to tiny blood vessels called capillaries into your blood
The oxygen enters the bloodstream from the alveoli.
Answer: C is best but now during corona D would be my desision
Explanation: