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
186
206
316
What attaches muscles to the skeleton?
paper clips
tendons
veins
rubber bands
What is the name of the organ that filters waste products from the blood?
heart
kidneys
stomach
liver
How many teeth do adults have?
16
32
4
87
What is the name of the bone that protects the brain?
tibia
skull
rib cage
clavicle
What is the name of the organ we use to breathe?
nerve cells
heart
lungs
staomach
What is the largest organ in the human body?
heart
brain
lungs
skin
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
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?
veins
esophagus
stomach
nasal passage
The bones around your chest that protect organs such as the heart are called what?
skull
ribs
phalanges
tibia
The bones that make up your spine are called what?
ribs
bone marrow
vertebrae
larynx
The innermost part of bones contains what?
veins
harder bone
bone marrow
sponge
What substance are nails made of?
calcium
keratin
skin
bone
The muscles found in the front of your thighs are known as what?
triceps
abdominals
quadriceps
glutes
