the body’s use of molecules for energy and growth

the body system that takes in oxygen and releases carbon dioxide

Why would it be a problem for your cells to make energy if your digestive system isn't working properly?

The molecules will not be broken down small enough to enter cells

What could prevent a person from using their body to exercise normally if they are breathing normally?

Not eating enough food, because cells need molecules from both food and air to work.

Doctors tested a patient to find out what molecules were in his cells. His cells contained normal levels of glucose molecules and amino acid molecules , and low levels of oxygen molecules . Will this patient be able to exercise normally?

No, his respiratory system is not working; his cells need oxygen to react with glucose, which releases energy.

The job of the digestive system is to:

Break food down into small enough molecules so that cells can use them.

The job of the circulatory system is to:

Transport resources (oxygen, glucose, amino acids) throughout the body to the cells.

What could prevent a person from exercising normally if they are breathing normally?

Not eating enough food, because cells need molecules from both food and air to work.

Raoul ate a meal of oats before seeing his doctor. Oats are made of mostly starch molecules. Raoul feels tired, so his doctor gave him a test and found that Raoul’s cells contained glucose molecules, but they did not contain enough oxygen molecules. Does this explain why Raoul feels tired?

Yes, his digestive system is breaking down starch molecules, but his respiratory system may not be working properly.

What is the correct order for how OXYGEN travels to cells in the body?

respiratory system, circulatory system, cells

Proper steps in the blood doping process

Take blood out of the body, freeze blood, put blood back into body.

What does the digestive system do in a healthy body?

Breaks down food into amino acids and glucose

Will a patient with normal levels of oxygen and glucose, but no starch, be able to exercise normally?

Yes, the glucose and oxygen molecules can react together to release energy for the body to function.

Should starch molecules ever be found in the cell?

No, they are too big to get into the circulatory system and cells.

Metabolism Flashcards

Student preview

48 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Amino Acids are...

Back

molecules that are the building blocks of proteins

2.

FLASHCARD QUESTION

Front

What is the chemical reaction between oxygen and glucose that releases energy into cells?

Back

Cellular respiration

3.

FLASHCARD QUESTION

Front

What is the body system that takes in food and breaks it down?

Back

Digestive System

4.

FLASHCARD QUESTION

Front

The circulatory system is...

Back

the body system that transports molecules to and from all cells of the body

5.

FLASHCARD QUESTION

Front

What is energy?

Back

the ability to make things move or change

6.

FLASHCARD QUESTION

Front

What is oxygen?

Back

a molecule that organisms get from the air or water around them and use to release energy

7.

FLASHCARD QUESTION

Front

The process in which atoms rearrange to form new substances

Back

chemical reaction

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