How many neurons are in the human brain?
The human brain contains about 86 billion neurons.
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- What is the largest organ in the body?
“Skin is the body's largest organ, covering about 20 square feet in adults.”
Reference: Cleveland Clinic
More from this shelf
How many skin cells do we shed?
People shed about 30,000 to 40,000 dead skin cells every minute.
What is an "otter tail"?
The Labrador Retriever has a thick, rounded, tapering "otter tail" that works like a rudder, helping the dog steer while it swims.