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