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