The muscular system
8/31/2022 3:48:00 PM
Do you know?
- The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility.
- Muscles, attached to bones or internal organs and blood vessels, are responsible for movement.
Let's explore more about the muscular system!
Let's learn some new words before you read the passage:
Listen and complete the passage.
| heartbeat | tighten | involuntary |
| cardiac | skeleton |
We all use our muscles to move our bodies. Without muscles, you would not be able to talk, eat, walk, sleep, or move at all. There are over 650 muscles that your body uses. These muscles are attached to the .
There are three types of muscles. They are the skeletal muscles, the muscles, and the smooth muscles. All of these muscles can .
Some of these are voluntary muscles, and others are muscles. Voluntary muscles move only when we think about it. The muscles in our arms and legs work like this.
Involuntary muscles move when we aren’t even thinking about it. The heart is an example of an involuntary muscle. If we had to think about it to make our , we might forget.
Read and answer the following questions.
The muscular system
We all use our muscles to move our bodies. Without muscles, you would not be able to talk, eat, walk, sleep, or move at all. There are over 650 muscles that your body uses. These muscles are attached to the skeleton.
There are three types of muscles. They are the skeletal muscles, the cardiac muscles, and the smooth muscles. All of these muscles can tighten.
Some of these are voluntary muscles, and others are involuntary muscles. Voluntary muscles move only when we think about it. The muscles in our arms and legs work like this.
Involuntary muscles move when we aren’t even thinking about it. The heart is an example of an involuntary muscle. If we had to think about it to make our heartbeat, we might forget.
Source: Daily Warm-ups Reading Grade 4
What is true according to the text?
- The muscles in our heart are involuntary muscles.
- There are less than 500 muscles attached to the skeleton.
- The cardiac muscles are the most important in our body.
What is NOT the type of muscle mentioned in the text?
- the skeletal muscles
- the smooth muscles
- the facial muscles
Voluntary muscles are the ones that ______.
- are under our conscious control
- confuse us when it comes to their function
- cannot be understood without the technology
The author wrote this text to _____.
- show how muscles help people perform actions
- explain how the muscles of human body work
- compare three types of muscles in the human body
Where is this text likely to be seen?
- in a biology textbook
- in a genealogy article
- in a psychology study
Build your vocabulary by learning these intensive phrases/idioms.
The fans might have a hard time _____ such a betrayal.
- giving and taking
- puffing and panting
- forgiving and forgetting
- cutting and running
Choose the underlined part that needs correction.
Organizing the event was really stressful, but luckily, it was sailing smoothly on the day.
- Organizing
- really stressful
- luckily
- was sailing smoothly
Complete the second sentence using the word given so that it has the same meaning to the first.
With a good team around you, you can succeed in completing tasks that are challenging and requires much effort. (MOVE)
=> If you get ...............
Choose the word(s) CLOSEST in meaning to the underlined word(s).
A: "Tonight’s the first night of the play. I feel a little bit nervous."
B: "Is it? Well, break a leg!’
- don't give up
- calm down
- never mind
- good luck