5 Questions
The number of muscles in the human body that help in movement is exactly 640.
False
Muscles can only pull and not push.
True
The gluteus maximus is the smallest muscle in the human body.
False
Tendons are thin cords that attach bones to muscles.
False
The movement of the elbow is controlled by a single muscle called the biceps.
False
Study Notes
Muscles and Movement
- Muscles help the body move and perform various actions like walking, jumping, blinking, and breathing.
- Muscles are composed of thin fibers, similar to the thickness of a hair.
Structure of Muscles
- The human body has over 640 muscles that aid in movement.
- Muscles work in pairs, known as pull-not-push pairs, which pull in opposite directions to facilitate movement.
Bending and Straightening
- The biceps muscle contracts to bend the elbow, pulling the lower arm towards the shoulder.
- The triceps muscle contracts to straighten the elbow, pulling the lower arm away from the shoulder.
Muscle Attachment
- Muscles are attached to bones by strong, cord-like tendons.
- The gluteus maximus is the largest muscle, located in the buttocks.
Learn about the structure and function of muscles, how they work in pairs, and their role in facilitating movement in the human body.
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