Organ systems

What organ system are the kidney part of?

• digestive system

• excretory system

• muscular system

• nervous system

• circulatory system

What organ system are blood vessels part of?

• digestive system

• respiratory system

• muscular system

• nervous system

• circulatory system

What organ system are lungs part of?

• digestive system

• respiratory system

• muscular system

• nervous system

• excretory system

What organ system is the spinal cord part of?

• circulatory system

• respiratory system

• muscular system

• nervous system

• excretory system

What are the jobs of the skeleton?

_{(Select all correct answers)}

• supports the body and give it shape

• makes red blood cells

• protects soft parts of the body

• allows the organism to move

How many bones are in an adult human's body?

• 206

• 168

• 542

• 337

What two organs does the rib cage protect?

• heart

• lungs

• brain

• eyes

This material is in our ears and nose and can bend without breaking.

• cartilage

• bones

• blood

• intestines

A joint is a place where two bones ___________________.

• come together

• fall apart

• hang out

• break

This strong, thread-like tissue holds two bones together at a joint.

• ligament

• blood vessel

• intestine

• nerve