Question

my first question is charterstic of human brain​

Answer 1

Answer:

Facts about the human brain

• The human brain is the largest brain of all vertebrates relative to body size.
• It weighs about 3.3 lbs. (1.5 kilograms).
• The average male has a brain volume of 1,274 cubic centimeters.
• The average female brain has a volume of 1,131 cm3.
• The brain makes up about 2 percent of a human's body weight.
• The cerebrum makes up 85 percent of the brain's weight.
• It contains about 86 billion nerve cells (neurons) — the "gray matter."
• It contains billions of nerve fibers (axons and dendrites) — the "white matter."
• These neurons are connected by trillions of connections, or synapses.

Answer 2

Answer:

please give me some thanks