What is the largest organ in the human body?
Brain
Liver
Skin
Large intestine
How many chambers does a healthy human heart have?
2 chambers
3 chambers
4 chambers
6 chambers
Which organ in the human body is responsible for filtering blood and removing toxins?
Kidneys
Stomach
Heart
Lungs
Which organ produces insulin in the human body?
Liver
Pancreas
Gallbladder
Spleen
How much does an adult human brain typically weigh?
1.5 pounds
3 pounds
5 pounds
7 pounds
What percentage of the human body is made up of water?
Which organ stores bile produced by the liver?
Stomach
Pancreas
Gallbladder
Small intestine
How many pairs of ribs does a typical human have?
10 pairs
12 pairs
14 pairs
16 pairs
What is the average length of the small intestine in adults?
10 feet
20 feet
30 feet
40 feet
Which organ produces red blood cells in adults?
Liver
Spleen
Bone marrow
Lymph nodes
How many taste buds does the average human tongue have?
1000
10000
100000
1000000
What is the strongest muscle in the human body?
Biceps
Quadriceps
Jaw muscle
Heart
How many bones are in an adult human body?
What percentage of our brain do we actually use?
Which organ can regenerate itself if part of it is removed?
Heart
Kidney
Liver
Pancreas
How many lungs does a human have?
What is the approximate length of DNA in a single human cell?
3 feet
6 feet
9 feet
12 feet
How fast do nerve impulses travel in the human body?
50 mph
170 mph
250 mph
350 mph
How many muscles are in the human body?
