why is the human body so complex

Brain. The brain is the body’s control center. …
Heart. The heart is the most important organ of the circulatory system, which helps deliver blood to the body. …
Lungs. The lungs work with the heart to oxygenate blood. …
Liver. The liver is the most important organ of the metabolic system. …
Kidneys.

Is the human body complex?

The human body is a complex, highly organized structure made up of unique cells that work together to accomplish the specific functions necessary for sustaining life. Anatomy is organized by levels, from the smallest components of cells to the largest organs and their relationships to other organs.

How complex is a human cell?

The cell is the most complex and most elegantly designed system man has ever witnessed. … The reason is that organic molecules are so complex that their formation cannot possibly be explained as being coincidental and it is manifestly impossible for an organic cell to have been formed by chance.

How human body is formed?

The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems.

What is the most complex organ besides the brain?

After the brain, your eyes are the second most complex organ in your body. Most of us are familiar with fingerprinting – yet retina scans are now commonly being used for security purposes instead: your fingerprint has 40 unique characteristics, whereas your iris has 256.

Can you sneeze with your eyes open?

It is an autonomic reflex, which is an unconscious motor action in response to a stimulus: in this case, sneezing. “The fact that it is possible to sneeze with the eyes open suggests that it is not hard-wired or mandatory,” Huston said.

What is the second most complex organ in the human body?

We’re all apt to take our bodies for granted, but we might treat them with more respect if we appreciated what subtle, complex pieces of engineering they are. As you might expect, we’ve always been fascinated by the eye, which is our second most complex organ after the brain.

Who is more intelligent human or computer?

In many ways computers are smarter than humans, some being the abnormally strong memory they have, no human possibly could contain memory as strong as a computer. … Another advantage computers have over people, consists of the fact they learn and process faster than an average human.

Can you live with no 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.

Why Multitasking is impossible?

The short answer to whether people can really multitask is no. Multitasking is a myth. The human brain cannot perform two tasks that require high-level brain function at once. Low-level functions like breathing and pumping blood aren’t considered in multitasking.

Which part of our body never rest?

Your heart is an incredibly powerful organ. It works constantly without ever pausing to rest. It is made of cardiac muscle, which only exists in the heart. Unlike other types of muscle, cardiac muscle never gets tired.