Lesson 3.3, Cellular Growth, Respiration, and Repair

The digestive system breaks down protein into which kinds of molecules?

• oxygen molecules

• sugar molecules

• amino acid molecules

• carbon dioxide molecules

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Which body system delivers amino acid molecules to the cell?

• The respiratory system

• The circulatory system

• The musculoteal system

• The nervous system

Once the amino acid molecules reach the cells, they

• form new starch

• form new oxygen

• form new fiber

• form new protein

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What is needed during cellular respiration to build protein molecules from amino acids?

• Oxygen

• Glucose

• Energy

• Fiber

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Diabetes is a medical condition that results in significantly lower than normal number of which kinds of molecules being delivered to the cells of the body?

• glucose

• amino acid

• oxygen

• carbon dioxide

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If a person has diabetes, they won't have enough of which molecules to enter the cell during cellular respiration?

• sugar

• amino acids

• starch

• glucose

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Cellular respiration in a healthy body happens

• once a day

• once a month

• all the time

• only when you're asleep

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Your body needs what to send signals to and from your brain?

• carbon dioxide

• starch

• energy

• sensory receptors

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What is this image showing?

• food disgesting

• blood circulating

• carbon dioxide being exhaled

• cellular respiration happening

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What does every cell in a person's arm need to move?

• fiber

• energy

• blood

• oxygen

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