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