Muscles

The muscular system….

• is made up of muscles

• Is made up of bones

• Is made up of meat

The muscular system has 3 functions.

• Movement of the human

• Maintain posture

• Bones

• Movement of internal organs

Other functions of the muscular system include…

• Eyes

• Keep food moving through the digestive system

• Keeps the heart pumping to circulate blood

• Nose

Muscles are

• Made of hard bones

• Made of soft tissues that allow for movement.

Tags

NGSS.MS-LS1-3

How many muscles are in the human body

• 10

• 82

• 1000

• 650

Muscles make up about this amount of your body weight.

• 1/2

• 1/4

• 1/8

Involuntary muscles mean what

• They work WITH thought or action

• They work WITHOUT thought or action

What are examples of involuntary muscles

• Legs

• Arms

• Organs

• Neck

Voluntary muscles

• Work WITH though or action

• Work WITHOUT though or action

Examples of voluntary muscles

• Leg

• Heart

• Lungs

• Bladdar