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Human Organ Functions and Nutrients Quiz

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Questions and Answers

What role does the heart play in the human body?

The heart pushes blood around the body and is made of strong muscles that squeeze blood into tubes called blood vessels.

How do the lungs contribute to the respiratory process?

The lungs take in oxygen from the air, allowing more breaths each minute to ensure sufficient oxygen in the blood.

Explain the importance of nutrients in our diet.

Nutrients are essential substances in food that help our body grow and function properly.

Which organs are involved in the digestive process after eating?

<p>The stomach and intestines are involved in digesting food after it is eaten.</p> Signup and view all the answers

What function does the brain serve in relation to the sense organs?

<p>The brain receives and processes messages from the sense organs.</p> Signup and view all the answers

Flashcards

What is the heart's function?

The organ that pumps blood throughout the body.

What do the lungs do?

The organs that take in oxygen and release carbon dioxide.

What is the stomach's role?

The organ where food is broken down into smaller pieces.

What are nutrients?

Essential substances found in food that help our bodies grow and function.

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What is the brain's role?

The organ that receives messages from our senses and controls our thoughts, actions and feelings.

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Study Notes

Human Organs

Key organs include heart, lungs, stomach, intestines, and brain.
The heart circulates blood throughout the body.
Each heart contraction is a beat.
The lungs increase oxygen intake in the blood by breathing faster.
Food travels to the stomach and intestines for digestion.
The brain receives signals from sense organs.

Nutrient Definition

Nutrients are elements in food supporting growth and bodily functions.
Examples of nutrients: fats, proteins, minerals, and vitamins.

Heart Functions

The heart pumps blood throughout the body.
The heart is comprised of strong muscles.
Blood is pumped through blood vessels.

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