Muscular system

High school (ages 12+)
Human Body

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/muscular-system

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is Muscular system known for?Thermoregulation (heat generation) and regulation of blood pressure via smooth muscle activity
2. What is the muscle tissue types?Skeletal (voluntary, striated), Smooth (involuntary, non-striated), Cardiac (involuntary, striated)
3. What are the three types of muscle in our body?Our body has three kinds of muscle: skeletal, smooth, and cardiac. Skeletal muscles help us move and smile. Smooth muscles work inside organs like the stomach. Cardiac muscle is the special muscle that keeps the heart beating.
4. How do muscles make us run and jump?Skeletal muscles attach to bones and pull them to move. When the brain sends a signal, the muscles contract and create force. This lets us run, jump, and do many activities.

Sarcomere: The basic contractile unit of striated muscle tissue, responsible for muscle shortening.
Neuromuscular Junction: The specialized synapse where a motor neuron transmits a signal to a muscle fiber.
Concentric Contraction: Muscle shortening while generating force, as in lifting a weight.
Eccentric Contraction: Muscle lengthening while generating force, as in lowering a weight.