Human Muscular System

How do muscles help our bodies?

• They help us remain upright.

• They help with movement.

• They help organs do their jobs.

• All of the above

How many muscles are in the human body?

• 25

• 63

• 212

• 600

Which type of muscle helps us move around?

• cardiac

• smooth

• skeletal

• none of the above

What do we call the connective tissue that connects muscles to bones?

• plasma

• tendons

• joints

• nerves

Skeletal muscles are attached to the (a)   .

• Stomach

• Lungs

• Bones

• Involuntary Muscles

The body has several organ systems. Which organ system is pictured here?

a

nervous system

respiratory system

muscular system

skeletal system

circulatory system

digestive system

Voluntary muscles you ​ (a)   control while involuntary muscles you ​ (b)   control by thinking

• Can

• cannot

Select the muscular system.

Hey Elijah and David, did you know that voluntary muscles are the ones you ​ (a)   control, while involuntary muscles are the ones you ​ (b)   control just by thinking? Isn't that fascinating?

• Can

• cannot

Answer explanation

Voluntary muscles can be controlled consciously, while involuntary muscles cannot be controlled by thinking. Therefore, the correct choices are 'can' for voluntary muscles and 'cannot' for involuntary muscles.

Muscles are tissues that support ​ (a)   in the body

• movement

• breathing

• Digestion

Tags

NGSS.MS-LS1-3