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