Face
True or false: Your ears help you keep balance when standing on one foot
True (fluid in our inner ear helps you keep balance)
True or false: chewing gum stays in your stomach for 1 year if you swallow it?
False (it only stays for a couple of hours, just like food)
What carries blood away from your heart: arteries or veins?
Arteries
True or False: There is hair on the palms of your hands and the soles of your feet.
(True or false) When you sneeze the particles can travel as fast as a car on a highway.
True
True or False: Electrical impulses travel along your nerves faster than the speed of sound.
False
Red (dark red)
Smell
What happens to your pupil when it gets dark?
They get larger
How much does the average brain weigh: 3 pounds, 10 pounds, or 23 pounds?
3 pounds
A capillary is a very small blood vessel. Is a capillary wider or narrower than a human hair?
Narrower ( About 1/10 the size of a hair)
For many people, color blindness is a genetic train. Are males or females more likely to be color blind?
Males
Why do you sweat?
To cool down (by evaporation)
What name is given to the thick bundle of nerves, protected by the vertebral column, that runs down your spine?
____ Cord
Spinal Cord
how quickly can a scab begin to form over a cut: less than 10 seconds, between a minute and an hour, or anytime after an hour?
Less than 10 seconds
Which grow faster:fingernails, toenails, or both grow at the same speed?
What is the thin layer of light-sensitive cells at the back of an eyeball called: Cornea, retina or pupil?
Retina
What does the respiratory system bring to your blood?
Oxygen
What is the most common blood type: A, B, AB or O?
Type O
A hiccup is caused by an involuntary spasm of the diaphragm muscle. How long did the longest hiccups last: 68 hours, 68 days, 68 weeks, 68 months or 68 years?