Mighty Muscles Guided Notes

Name:___________________________ Date:______________________

Mighty Muscles Guided Notes

Exploration- Discovery Education

http://tinyurl.com/acf77xx

In this Exploration you will select an action the human body can perform and watch as the muscles involved perform that action.

Heart Pumping

· Your heart is made of ___________ ______________—muscle that keeps ______________ and ________________, without any ____________.

· With each _________________, your heart ____________ blood through your body, sending _______________ to your _______________.

· _____________ ______________ is ____________________, which means it’s automatic, and something you cannot _____________________.

Bending your Elbow

· It takes ___________ muscles to bend your __________.

· Your _____________ ______________ when you bend your arm, while the ____________ _____________.

· What must you do to straighten your arm?

· _____________muscles are the ones that __________ your __________.

· These muscles are ________________, which means you can ________________ their ______________________.

Blinking

· How many times do you blink without thinking in a minute? In an hour?

· What muscle contracts when you close your eyelid?

· Other ______________ surrounding the _______________ help you __________ your _______________in ________________ directions.

Nodding

· How many neck muscles does it take to nod your head up and down?

· The _____________________contracts when you _______________ your head.

· When you pull your head back down, the ____________________ contracts.

Rotating your Arm

· The action of turning your hand over is called________________ and ________________.

· The _________________muscle _______________ when you put your palm face up.

· What other two muscles contract when you turn your hand back over?

Twisting your Body

· In order to twist your body from side to side, the ________________ muscles must be used.

· On ______________ side of your body, you have two important _____________________: the large ________________ _______________ along the side of your body and the smaller __________________ ________________ inside the hipbones.

· Describe what happens when you twist your body.