What is the brain simple definition?
The organ inside the head that controls all body functions of a human being. Made up of billions of nerve cells, the brain is protected by the cranium (the bones that form the head).
What is the brain of?
A brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as vision. It is the most complex organ in a vertebrate’s body….
| Brain | |
|---|---|
| TA2 | 5415 |
| Anatomical terminology |
What is brain function definition?
The brain is an organ that’s made up of a large mass of nerve tissue that’s protected within the skull. It plays a role in just about every major body system. Some of its main functions include: processing sensory information. regulating blood pressure and breathing.
What is the definition of human brain?
The brain is the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the centre of learning. The human brain weighs approximately 1.4 kg (3 pounds) and is made up of billions of cells called neurons.
What is brain and its types?
The brain can be divided into three basic units: the forebrain, the midbrain, and the hindbrain. The hindbrain includes the upper part of the spinal cord, the brain stem, and a wrinkled ball of tissue called the cerebellum (1). The hindbrain controls the body’s vital functions such as respiration and heart rate.
Why is the brain important?
The human brain is the command centre for the nervous system and enables thoughts, memory, movement, and emotions by a complex function that is the highest product of biological evolution. Maintaining a healthy brain during one’s life is the uppermost goal in pursuing health and longevity.
What is a brain made of?
Brains are made of soft tissue, which includes gray and white matter, containing the nerve cells, non-neuronal cells (which help to maintain neurons and brain health), and small blood vessels. They have a high water content as well as a large amount (nearly 60 percent ) of fat.
Why is it called the brain?
In the remote past, people had no notion what function the brain has in the human organism. They saw “mush” and called it accordingly. Since brain was a borrowed word, those who began to use it, must at one time have had a native name for the content of heads.
What is the brain made of?
What are the 3 functions of the brain?
Overview. The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside world, and embodies the essence of the mind and soul.