Q1: How many neurons are there in the human brain?

Q1: How many neurons are there in the human brain?

Q1: How many neurons are there in the human brain?

The human brain has around 86 billion neurons. All cells in the 🧠 are around 170 billion (including neurons and glial cells). For comparison: a healthy liver consists of 250-300 billion cells. 20-30 trillion are the red blood cells in an adult. 39 trillion are the bacteria in the colon of an adult.

Verified by Petya Stefanova