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It is called the iris

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14y ago

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How do muscles cause bones to move?

walking


When do muscles cause bones move?

When they contract


When do muscles cause bones to move?

Muscles cause bones to move when they contract. This contraction exerts force on the tendons, which in turn pull on the bones, resulting in movement at the joints. The interaction between muscles, tendons, and bones allows for various movements and activities.


What makes muscles become shorter and makes bones move?

sarcomere's are the functional unit of a muscle which contract and make muscles shorter which then cause bones to move.


What are some functions in the muscle system?

Muscles are attached to bones.Muscles cause movement when they contract and relax.Muscles cause movement when they contract and relax.Muscles are found in pairs round a joint.


What are the bones that move muscles called?

All muscles can move, but only skeletal muscles are voluntary. The cardiac and the smooth muscles cannot be moved by your will, but skeletal muscles can be.


What is perisatalsis?

Peristalsis is the contraction of smooth muscles that cause food to move throughout the digestive tract.


What condition are necessary for the muscles to cause body movement?

for the body to successful move muscles in a productive way the body must have nutrients and the muscles must be worked periodically in a reasonable fashion


Eyelid move when eat?

When you eat, your eyelids may move slightly because the muscles used for chewing are connected to the muscles that control blinking. This connection between the muscles can sometimes cause your eyelids to move when you are chewing. It is a normal and involuntary reaction.


Which muscles help you move when you want?

The muscles that help you move when you want to are called voluntary muscles.


What is the name for muscles that you cannot move?

Actually you can move all your muscles, but the name for the ones you move involuntarily are called involuntary muscles.


Which muscles help you move when you want to move?

Skeletal muscles help you when you want to move. Skeletal muscles are voluntary muscles that you can control.