My Body Facts

The bones around your chest that protect organs such as the heart are called what?

• Lips

• Hips

• Ribs

• Cribs

The outside layer of skin on the human body is called the?

• Epidermis

• Equator

• Epidemic

• Estrogen

The flow of blood through your heart and around your body is called?

• Rotation

• Circulation

• Excretion

• Digestion

The two holes in your nose are called?

• Nostrils

• Holes

• Round

• Cave

The innermost part of bones contains what?

• Bone marrow

• Bone eater

• Inside bone

• Bone interior

What is the human body’s biggest organ?

• Heart

• Kidney

• Lung

• Skin

What substance are nails made of?

• Protein

• Keratin

• ceratin

• bones

What is the name of the substance that gives skin and hair its pigment?

• Melanin

• Actin

• Keratin

• Protein

The colored part of the human eye that controls how much light passes through the pupil is called the?

• Iris

• pupil

• cornea

• eyelid

What is the name of the biggest part of the human brain

?

• Cerebrum

• Cerebullum

• medulla

• pendulum