Amplify Article: The Big Climb

What is the purpose of digestive enzymes?

• Break down starch into amino acids

• Break down amino acids into glucose

• Break down proteins into starch

• Break down starch into glucose

What is the purpose of digestive enzymes?

• Break down starch into amino acids

• Break down proteins into amino acids.

• Break down proteins into starch

• Break down glucose into starch.

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What is entering the respiratory system when breathing happens?

• starch

• protein

• oxygen

• blood

After oxygen enters the lungs, where does it go to next?

• the blood

• muscle cells

• sensory cells

• brain cells

List from largest to smallest:

• muscle cell ➡️ muscle tissue ➡️ muscle

• muscle ➡️ muscle cell ➡️ muscle tissue

• muscle ➡️ muscle tissue ➡️ muscle cell

True or False?

When an arm muscle moves, every cell in that muscle moves.

• True

• False

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To release energy, what is combined in cellular respiration?

• oxygen and carbon dioxide

• glucose and oxygen

• water and oxygen

• carbon dioxide and glucose

Energy is released in the mitochondria during a process called cellular _______.

When cells need more oxygen, they can send signals to the _______. This causes someone to breathe faster.

• lungs

• heart

• brain

• arms

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NGSS.MS-LS1-3

In order for thinking to occur, brain cells send signals to themselves.

• True

• False