Question

1. What is the name of the reaction that releases energy inside cells? Write the word equation for this reaction .

2. Inside your lungs air gets warmer and wetter. How else does it change?

3. Your body needs more oxygen when you are exercising than when you are not exercising. Why is this?

4. Use the graphs on this page to answer these questions
a. What was the runner's oxygen uptake when he was resting?
b. How much higher was his oxygen uptake after he had exercised for 100 seconds?
c. How many breaths did he take in 15 seconds when he was resting?
d. What is that in breaths per minute (60 seconds)?
e. How much air went into his lungs each time he breathed when resting?
f. Write two ways his breathing changed when he started running​

Answer 1

Answer:

1. Glucose and oxygen react together in cells to produce carbon dioxide and water And releases energy. The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Energy is released in the reaction.

C⁶H¹²O⁶+O²--- CO²+ATP⬆️

3. During exercise, your muscles are hard at work. Your breathing and heart rate increase, pulling more oxygen into the bloodstream. As you exercise, the oxygen that reaches your muscles converts available glucose into ATP, providing your body with the energy it needs to complete your workout.

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