Trivia questions and answers, drawn fresh from the well

• Easy Easy difficulty.
• The Human Body

How many pairs of ribs are normally found in the adult human skeleton?

Answer

12 pairs

Draw the answer

• Easy Easy difficulty.
• The Human Body

What is the primary muscle used for breathing in the human body?

Answer

Diaphragm

Draw the answer

• Easy Easy difficulty.
• The Human Body

Which organ produces the hormone insulin in the human body?

Answer

Pancreas

Draw the answer

• Hard Hard difficulty.
• The Human Body

How many pairs of cranial nerves arise from the human brain?

Answer

12 pairs

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Body

About how long does a typical human red blood cell live?

Answer

120 days

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Body

Which brain structure connects the left and right cerebral hemispheres?

Answer

Corpus callosum

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Body

What is the basic functional unit of the human kidney?

Answer

Nephron

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Body

What are the tiny air sacs where gas exchange occurs in the human lungs?

Answer

Alveoli

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Brain

Which structure in the human brain produces most cerebrospinal fluid?

Answer

Choroid plexus

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Brain

Which brain structure is the main site where fear-related emotional learning is processed?

Answer

Amygdala

Draw the answer

• Easy Easy difficulty.
• The Human Brain

What is the tough outermost layer of the three meninges surrounding the brain?

Answer

Dura mater

Draw the answer

• Intermediate Intermediate difficulty.
• The Human Brain

Which brain region helps regulate body temperature, hunger, thirst, and endocrine control?

Answer

Hypothalamus

Draw the answer