The Human Body

Which of these organs is NOT part of the Excretory system?

• kidney

• bladder

• heart

• liver

Which of these jobs does your skin NOT do?

• transport blood

• protects your insides

• keeps out germs

• prevents too much water from leaving the body

Which system is responsible for our breathing in/out?

• excretory

• circulatory

• digestive

• nervous

Which system allows oxygen to enter our blood?

• excretory

• nervous

• digestive

• respiratory

Our skin has how many layers?

• 1

• 5

• 3

• 0

Adults have more bones than babies.

• TRUE

• FALSE

In the digestive system, this is the tube that connects our throat to our stomach.

• trachea

• epiglottis

• larynx

• esophagus

Which of these is NOT a type of muscle in the human body?

• smooth

• skeletal

• amygdala

• cardiac

Which organ(s) clean your blood and remove waste from the body?

• kidneys

• lungs

• heart

• brain

The largest organ in the human body.

• brain

• heart

• muscle

• liver