Quick Answer: Why Is The Brain So Important For The Human Body?

What is the most important part of the brain?

The lowest part of the brainstem, the medulla is the most vital part of the entire brain and contains important control centers for the heart and lungs..

How does the human brain function?

The brain works like a big computer. It processes information that it receives from the senses and body, and sends messages back to the body. But the brain can do much more than a machine can: humans think and experience emotions with their brain, and it is the root of human intelligence.

What is the most important organ in the human body?

The brainThe brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.

What is the most useless body part?

appendixThe appendix may be the most commonly known useless organ. While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.

What’s the smallest organ in the body?

The smallest organ in the body is pineal gland. It is situated central in the brain, between the hemispheres in a groove. Size is about 8mm in humans.

What is the longest thing in your body?

HumansThe longest bone in the human body is the femur.The largest artery is the aorta and the largest vein is the inferior vena cava.The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds).The largest external organ, which is also the largest organ in general, is the skin.More items…

What does the brain need to control the body?

The brain controls what you think and feel, how you learn and remember, and the way you move and talk. But it also controls things you’re less aware of — like the beating of your heart and the digestion of your food. Think of the brain as a central computer that controls all the body’s functions.

Can the brain heal?

Your brain does eventually heal itself. This neuroplasticity or “brain plasticity” is the more recent discovery that gray matter can actually shrink or thicken; neural connections can be forged and refined or weakened and severed. Changes in the physical brain manifest as changes in our abilities.

What part of the brain is responsible for happiness?

Imaging studies suggest that the happiness response originates partly in the limbic cortex. Another area called the precuneus also plays a role. The precuneus is involved in retrieving memories, maintaining your sense of self, and focusing your attention as you move about your environment.

What part of your brain controls thinking?

cerebrumThe cerebrum, the large, outer part of the brain, controls reading, thinking, learning, speech, emotions and planned muscle movements like walking. It also controls vision, hearing and other senses.

Can you live without a brain?

Since it controls vital functions such as breathing, swallowing, digestion, eye movement and heartbeat, there can be no life without it. But the rest of the brain is obviously capable of some remarkable feats, with one part able to compensate for deficiencies in another.