Numbers
The human body has this amount of thyroid glands.
One.
Which organ can regenerate itself if a part of it is removed?
The liver.
What is the largest artery in the body?
The aorta.
What sensory organ contains taste buds?
The Tongue.
206.
The number of bones in the adult human body.
How many lobes does the human liver have?
Four lobes (right, left, caudate, and quadrate).
The ________ filters blood and helps fight infections.
Spleen.
Name an Organ that never rests.
Heart, Lungs, or Kidneys.
What is the only part of the human body that cannot repair itself?
Teeth.
How long does it take for food to pass through the entire digestive system?
About 24 to 72 hours.
How many pairs of ribs does the human body typically have?
Twelve pairs
Which organ is the primary site for the detoxification of harmful substances?
The liver.
What blood vessels carry blood back to the heart?
Veins.
To regulate bodily functions through hormones.
The Endocrine System
Approximate length of the small intestine.
22 feet.
How many salivary glands are there in the human body?
Six major salivary glands (two parotid, two submandibular, and two sublingual).
What part of the brain controls balance and coordination?
The cerebellum.
What blood vessels carry blood away from the heart?
Arteries
What hormone does the pancreas produce to regulate blood sugar levels?
Insulin.
How much blood does the average adult human body contain?
About 5 liters (1.3 gallons).
How many total bones are found in the human hands, including both left and right hands?
54 bones (27 in each hand).
What is the name of the surgery to remove the gallbladder?
Cholecystectomy.
Which organ stores and concentrates bile?
The gallbladder.
What is the name of the organ where most nutrient absorption occurs?
The small intestine.
How many taste buds does the average human tongue have?
About 10,000.