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