1
The average adult has about 22 square feet (about 8 pounds) of which organ, making it the largest in the human body?
Skin
What structure controls the pupil and shares its name with a flower?
Iris
Bonus 25 pts per lobe you can name
Four
frontal lobe, parietal lobe, occipital lobe, and temporal lobe
Which bone, beginning with the letter "U" is found in the forearm?
Ulna
What is the name for the anomaly, occurring in humans as well as other animals, in which one has supernumerary (more) digits like fongers or toes
Polydactyly (or hyperdactyly)
True or false:
there are 206 bones in an adult human body and 300 bones in an infant's body
True
what part of the body can you find the smallest human skeletal muscle
Ear
true or false:
bacteria is always bad for us?
false
some are very bad, some just live on or in us and some are necessary for us to live
What is the term for bones that make up your fingers and toes?
Phalange
how many muscles does it take to smile?
17 (43 to frown)
what percentage of your body is water
about 70%
What is the hardest substance in the human body?
tooth enamel
Where are the three smallest bones in the human body?
in the middle ear
no joke, which upper long arm bone is connected to your funny bone (elbow)
Humerus
how much saliva does your mouth make each day
one litre
There are about 5.6 liters (about 7% total body weight) of what in the average adult's body?
Blood
about how many does your heartbeat in a day?
115200
how many chambers does a human heart have?
four
do you have the same number of neck vertebrae as a giraffe
yes
how much air can the average person's lungs hold?
about 6 liters
we have about 1.2 liters of breath that stays in your lungs
What does bile do?
breaks down fats in the small intestine to help with digestion
can the human body survive for longer without food, or without water?
food
people can survive for up to three weeks without food, but only three days without water
what nerves are the main nerves of your parasympathetic system, controlling digestion, heart rate, and immune system
Sounds similar to a city in Nevada
vagus nerves
which is shorter- small intestine or large intestine
large intestine (its about five feet long)
the small intestine is about 22 feet long
what is the name of the largest artery in your body?
aorta. It is the first blood vessel the blood travels through once it leaves your heart, and carries the blood away to be distributed around your body