What is our body?

The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis and the viability of the human body. Physiology focuses on the systems and organs of the human body and their functions.

Hereof, how does a human body work?

Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body. It consists of the heart, blood, blood vessels,arteries and veins.

One may also ask, what are the 78 organs in the human body? Some of the easily recognisable internal organs and their associated functions are:

The brain. The brain is the control centre of the nervous system and is located within the skull.
The lungs.
The liver.
The bladder.
The kidneys.
The heart.
The stomach.
The intestines.

Subsequently, one may also ask, what body part can only be found on humans?

Found only in humans, the hyoid bone is the only bone in the body that is not connected to any other, and is the foundation of speech. This horseshoe-shaped bone in the throat is situated between the chin and the thyroid cartilage.

What is human system?

In summary, the human body is made of 11 important organ systems, including the circulatory, respiratory, digestive, excretory, nervous and endocrine systems. They also include the immune, integumentary, skeletal, muscle and reproductive systems. The systems work together to maintain a functioning human body.

37 Related Question Answers Found

What the human body is made of?

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

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.

How many cells are in the human body?

Scientists concluded that the average human body contains approximately 37.2 trillion cells! Of course, your body will have more or fewer cells than that total, depending upon how your size compares to the average human being, but that's a good starting point for estimating the number of cells in your own body!

How many bones does a human body have?

206 bones

How many parts are there in human body?

The human body consists of a bony skeleton and muscles. The three main parts of the body are: the head, the trunk and the limbs (extremities).

What is the largest organ in the human body?

skin

Which part of your body is the most important?

The most important part of your body is your Brain and Nerve System.

What is the human body made of water?

Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.

What is the most useless organ?

appendix

What organ do we not need?

Vestigial organs are parts of the body that once had a function but are now more-or-less useless. Probably the most famous example is the appendix, though it is now an open question whether the appendix is really vestigial.

Is skin an organ?

Skin: The Human Body's Largest Organ. Skin is the body's largest organ, and along with hair, nails, glands and nerves, is part of the integumentary system, according to Oregon State University. This system acts as a protective barrier between the outside and the inside of the body.

What is the weakest part of the body?

The weakest part of the spine is the cervical spine, which is made up of seven vertebrae.

Can a person live without a liver?

While you can't live without a liver completely, you can live with only part of one. Your liver can also grow back to full size within a matter of months. If you or someone you know has liver disease and in need of a transplant, living liver donation may be an option to consider.

How complex is the human body?

The brain is the most complex organ in the human body. It produces our every thought, action, memory, feeling and experience of the world. This jelly-like mass of tissue, weighing in at around 1.4 kilograms, contains a staggering one hundred billion nerve cells, or neurons.