Cellular Respiration and exercise

What is the function of the heart?

• What is the function of the heart?

• It helps you to breath.

• It pumps blood through the body.

• It helps support the body.

Oxygen helps to convert (a)   to ATP in the mitochondria.

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The Circulatory System

• Removes waste products like carbon dioxide (CO₂).

• Involves skeletal muscle

• Carries oxygen (O₂), nutrients, and hormones to cells .

• Includes the heart, veins, and arteries.

Select the correct order for levels of organization.

• Cell, Organism, tissue, Organ System, Organ

• Organ System, Tissue, Cell, Organism

• Cell, Tissue, Organ, Organ System, Organism

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Cell

• Typically contains cytoplasm and a nucleus (or nucleoid).

• The smallest unit of an organism.

• A large organ in the body.

• Enclosed in a membrane.

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Glucose and oxygen are inputs of cellular respiration.

• Yes

• No

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The outputs of cellular respiration are: ATP, carbon dioxide, and water.

• Yes

• No

(a)   is a group of similar cells working together to carry out a specific function.

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The Respiratory System

• The lungs work with the circulatory system to pump oxygen-rich blood to all cells in the body.

• The primary organs are the heart and veins.

• Blood will then collect waste products and transport them back to the lungs to be exhaled.

• The primary organ is the lungs.

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