Human Body

What is the smallest biological hierarchy?

• Cell

• Organ

• Tissue

• Atom

What is the body's biggest organ?

• Small intestine

• skin

• Large intestine

• Liver

Name the bone!

• Brain

• Tibia

• Skull

• Vertebra

Name the bone!

• Tibia

• Radius

• Ulna

• Fibula

Name the bone!

• Humerus

• Femur

• Radius

• Ulna

Which of the following is NOT a function of the muscular system?

• Allows us to move

• Allows the heart to pump blood

• Source of calcium

• Allows the digestive system to work

Which part of the nervous system includes the brain and the spinal cord?

• PNS

• CNS

Which part of the nervous system focuses on the unconscious functions?

• SNS

• ANS

True or False: Your blood that is poor in oxygen is colored blue.

• TRUE

• FALSE

Arteries bring blood

• back to the heart

• away from the heart