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