4.21 Cellular Respiration

What is the energy called that is made during cellular respiration?

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Answer explanation

Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.

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^{You can learn a lot from a GIF.}

Check the products (things that are made) during photosynthesis. There are two:

• oxygen

• carbon dioxide

• glucose (sugar)

• water

• sunlight

Answer explanation

Oxygen and glucose (sugar) are made during photosynthesis.

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^{You can learn a lot from a GIF.}

ATP energy is a product of cellular respiration. This GIF doesn't show that (boo! 😒 ). Check the other products (things that are made) during cellular respiration. There are two:

• oxygen

• carbon dioxide

• glucose (sugar)

• water

• sunlight

Answer explanation

ATP energy, carbon dioxide and water are made during cellular respiration.

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Our cells get rid of carbon dioxide multiple times a minute. Which body process takes in oxygen and puts out carbon dioxide?

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Answer explanation

Respiration (breathing) takes in oxygen and puts out carbon dioxide.

There are levels of organization we use to talk about what our bodies are made of. Select the correct order of the four levels below from least to most complex:

• cells → organs → tissues → organ systems

• organ systems → organs → tissues → cells

• tissues → organs → cells → organ systems

• cells → tissues → organs → organ systems

Answer explanation

cells → tissues → organs → organ systems

This is a view inside your blood vessel. Those little red things are:

• cells

• organ systems

• tissues

• organs

Answer explanation

These are red blood cells!

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This is a beating heart. It is classified under:

• cells

• organ systems

• tissues

• organs

Answer explanation

Your heart is an organ.

This video just taught you about a/an:

• cell

• organ system

• tissue

• organ

Answer explanation

This video showed you how the circulatory system, an organ system, carries oxygen to your cells and carbon dioxide (waste) out of your cells.

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Remember this guy? One might say that blood cells are the milkmen of the body because they:

• wear ridiculous uniforms and make glass bottles dance

• deliver healthy stuff (nutrients/oxygen) around your body and leave with the waste (CO2)

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Answer explanation

Yes, your blood cells deliver healthy stuff (nutrients/oxygen) around your body and leave with the waste (CO2) just like the milkman brings you creamy white cow goodness and leaves with your empty bottles.

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Blood cells use protein called _________ to carry oxygen throughout our body.

• hemoglobin

• enzymes

• hormones

• calories

Answer explanation

Hemoglobin grabs the oxygen. HEMOGOBLIN!!!

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