What molecules do living things get from food and air?

Where do protein and starch molecules break down?

What molecules do starch and protein molecules break down into?

Why is the respiratory system important for exercise?

How do cells use molecules to release energy (cellular respiration)?

What does your body need to be able to exercise normally?

How does the amount of oxygen in the air affect the amount of energy that can be released in the cells?

What is the function of the circulatory system?

Choose the correct path for food molecules as they make their way to the cells.

What system breaks down food into molecules small enough to fit inside of cells?

The respiratory system brings in which molecules?

All cells in the body need molecules from?

Cellular respiration is a chemical reaction of which two molecules?

What are the 3 outputs of cellular respiration?

Where does cellular respiration take place?

A protein that carries oxygen in red blood cells?

What does your body do when high altitude training?

What is the benefit of blood doping?

What are all living things made of?

Which one of the following statements are true:

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