Understanding Body Systems and Processes

What is the primary function of the respiratory system?

• To digest food

• To allow you to breathe

• To pump blood

• To produce hormones

Which part of the cell is known as the "powerhouse of the cell"?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

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What is the main role of the muscular system?

• To produce hormones

• To allow for movement

• To filter blood

• To store calcium

Which system is responsible for releasing hormones into the blood?

• Nervous system

• Endocrine system

• Respiratory system

• Digestive system

What is the primary function of the nervous system?

• To carry messages to and from the brain

• To break down food

• To circulate blood

• To produce energy

What waste products are released during cellular respiration?

• Oxygen and glucose

• Carbon dioxide and water

• Nitrogen and oxygen

• Glucose and water

Explain how the muscular system contributes to maintaining posture.

• By producing hormones

• By contracting and relaxing muscles

• By filtering blood

• By storing energy

Describe the process of cellular respiration in simple terms.

• Cells use oxygen to break down food and release energy

• Cells produce oxygen and store energy

• Cells divide to create new cells

• Cells absorb nutrients from the bloodstream

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How does the endocrine system affect other organs in the body?

• By sending electrical signals

• By releasing hormones into the blood

• By filtering waste products

• By breaking down food

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What role do mitochondria play in the process of cellular respiration?

• They store energy

• They convert food into energy

• They produce hormones

• They carry messages to the brain

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