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