What Do You Know of the Human Body?

 The human body is undoubtedly the best and most complex tool we have. We use it all the time, but do we know WHY and HOW it does what it does? Let's see if you do by challenging you to a quiz!
 
 
What does the substance melanin control?
Skin color
Bone growth
Production of red cells
Production of hemoglobin
 
 
What is the cell where a virus reproduces called?
Host Cell
Master Cell
Slave Cell
Infected Cell
 
 
How many bones are in each finger, except the thumb, of a human hand?
3
12
9
6
 
 
What part of the brain controls hunger?
Hypothalamus
Occipital Lobe
Pituitary gland
Amygdala
 
 
Where in the human body are the anvil and stirrups located?
Ear
Mouth
Foot
Shoulder
 
 
What are the tiny blood vessels that connect arteries and veins?
Capillaries
Arterioles
Venules
Tendons
 
 
What are the gaps between nerve cells called?
Synapses
Neurotransmitters
Ions
Electrical voids
 
 
What type of muscle bends a joint in the body?
Flexor
Bender
Twister
Cardiac
 
 
What is the tube that carries food into the stomach called?
Esophagus
Small Intestine
Large intestine
Cardia
 
 
What fluid-filled sac surrounds the human embryo?
Amniotic Sac
Embryonic Sac
Embryonic Bubble
Amniotic Bubble
 
 
True or False: Your tongue has different areas, each sensitive to a different flavor
True
False
 
 
Which of these muscles are the strongest?
While the buttocks are the largest on this list, the jaw can close teeth with more than 200 pounds (90 kg) of force.
Jaw
Buttocks
Biceps
Hamstrings
 
Try Again...
You still have much to learn about the body you use every day. It's such an amazing thing that we can use the body without ever knowing why it does what it does. But to know is always preferable. The more we know of the body the more we understand why things go wrong.
 
Good Job!
You have some knowledge about the human body, probably more than the average person. The biology of our own bodies is a very good thing to know since we use them every day. Good job, but you can do even better if you try...
 
Nicely Done, Doctor!
Are you sure you're not a physician? You've shown incredible knowledge about the human body! Good for you, this is knowledge worth its weight in gold, since we use our body 24/7, it's good to know a lot about it so we know when things are wrong! Congratulations, you aced our quiz!
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