Human Body

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What are muscles?

Back

Muscles are formed from tissues that contract and relax, which produces motion.

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What is the function of skin?

Back

Skin holds your body parts in, has pores for sweat to escape, and is filled with nerves that help you sense temperature and feel the things around you.

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What are cells?

Back

Cells are the smallest units or parts of living things; they are the body's building blocks.

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What are kidneys?

Back

Kidneys are a pair of filters that clean your blood, taking liquid waste from your bloodstream and sending it down to your bladder.

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Front

What are lungs?

Back

Lungs take oxygen that your body needs from the air, put it in your blood, and send it out of your body.

Front

What is the role of bones in the human body?

Back

Bones provide structure, protect organs, anchor muscles, and store calcium.

Front

What are organs?

Back

Organs are groups of tissues that work together to perform specific functions in the body.

Front

What is the heart?

Back

The heart is a muscular organ that pumps blood throughout the body, supplying oxygen and nutrients.

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What is the function of the liver?

Back

The liver processes nutrients from the digestive system, detoxifies harmful substances, and produces bile.

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What are tissues?

Back

Tissues are groups of similar cells that work together to perform a specific function.

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