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