What is the only part of the body that cannot repair itself?
bones
teeth
muscles
heart
How many bones does an adult skeleton have?
97
206
186
316
What attaches muscles to the skeleton?
paper clips
tendons
rubber bands
veins
What is the name of the organ that filters waste products from the blood?
liver
stomach
heart
kidneys
How many teeth do adults have?
87
16
32
4
What is the name of the bone that protects the brain?
rib cage
skull
clavicle
tibia
What is the name of the organ we use to breathe?
lungs
nerve cells
staomach
heart
What is the largest organ in the human body?
heart
brain
lungs
skin
When you blink, how many muscles do you use?
about 2,000
about 200
about 20
about 2
What carries oxygen through your blood?
mail carrier
white blood cells
red blood cells
green veins
What is the name of the long pipe that shifts food from the back of your throat down to your stomach?
veins
stomach
nasal passage
esophagus
The bones around your chest that protect organs such as the heart are called what?
tibia
skull
ribs
phalanges
The bones that make up your spine are called what?
vertebrae
larynx
bone marrow
ribs
The innermost part of bones contains what?
bone marrow
harder bone
veins
sponge
What substance are nails made of?
keratin
skin
calcium
bone
The muscles found in the front of your thighs are known as what?
triceps
abdominals
glutes
quadriceps
