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Elements In Human Body And Their Functions

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Digestive System: Function, Organs & Anatomy

Chemically, the human body is made up mainly of water and organic compounds – lipids, proteins, carbohydrates, and nucleic acids. The human body is about 60 percent water by weight.

The nine major organs in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory system, the digestive system, the digestive system, the nervous system, the endocrine system, and the reproductive system.

The human body, the physical substance of a person, made up of living cells and external substances and organized into tissues, organs, and systems.

Human anatomy and physiology are covered in a variety of subjects. A detailed discussion of muscles, organs, and systems,

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Human blood; heart system; human digestive system; human endocrine system; renal system; the skin; human muscle system; nervous system; reproductive system; human breathing; receiving people’s feelings; and the human skeletal system. To know how the body develops, from conception to old age,

Proteins; carbohydrates; lipids; nucleic acids; vitamins; it’s a hormone. To learn more about the structure and function of the cells that make up the body,

On the stomach on the stomach; adrenal glands; vein; bone; the brain; the ear; the eye; the heart; kidneys; large intestine; lungs; the nose; ovary; pancreas; pituitary gland; small intestine; the back; gall bladder; stomach; the testes; thymus; thyroid gland; tooth; uterus; and the vertebral column.

Humans are, of course, animals—primarily, members of the order Primates in the subphylum Vertebrata of the phylum Chordata. Like all chordates, the human animal has a similar body that is characterized at some point during development by a supporting rod (notochord), gill slits in the pharynx region, and a hollow nerve cord. Of these things, the first two are found only during the embryonic period in man; notochord replaced by a vertebral column, and pharyngeal gill slits are completely lost. The jugular vein is the backbone of humans; it lasts a lifetime.

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Characteristic of the vertebrate structure, the human body has an internal skeleton that includes the backbone of the vertebrae. Similar to the structure of the animal body, the human body exhibits characteristics such as hair, mammary glands, and sensory organs.

Above these similarities, however, there are significant differences. Among mammals, only humans have two legs (bipedal), which has greatly changed the structure of the mammalian body. (Even the kangaroo, which jumps on two legs when it moves fast, walks on four legs and uses its tail as a “third leg” when standing.) Also, the human brain, especially the neocortex, is far from the one that grows the most. in animals. Although they are as intelligent as many other mammals—such as monkeys and dolphins—none have been as intelligent as humans.

Chemically, the human body is composed primarily of water and organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in body fluids (blood, lymph, and interstitial fluid) and in the cells themselves. It is like a solvent without which life cannot take place. The human body is about 60 percent water by weight.

Lipids – mainly fats, phospholipids, and steroids – are the main components of the human body. Fats store energy in the body, and lubricants also act as an insulator and suppress fear. Phospholipids and the steroid compound cholesterol are major components of the membrane that surrounds every cell.

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Protein also serves as a major component of the body. Like lipids, proteins are an important part of cell membranes. Also, extracellular substances such as hair and nails are made of proteins. So is collagen, the fibrous, elastic material that makes up skin, bones, muscles, and tendons. Protein also has many functions in the body. The most important are proteins in cells called enzymes, which contribute to the production of living energy.

Carbohydrates exist in the human body mainly as fat, either as simple sugars that circulate in the blood or as glycogen, a storage compound found in the liver and muscles. Small amounts of carbohydrates are also found in cells, but unlike plants and most invertebrates, humans have very few carbohydrates in their bodies.

Nucleic acids make up the body’s genes. Deoxyribonucleic acid (DNA) is the one that carries the genetic code of the body, instructions according to the way each cell works. It is DNA, passed down from parent to child, that defines the genetic characteristics of each individual. Ribonucleic acid (RNA), which has several forms, helps carry out the instructions contained in DNA.

Along with water and organic compounds, body parts combine with various minerals. Some of them are calcium, phosphorus, sodium, magnesium, and iron. Calcium and phosphorus, including calcium-phosphate crystals, make up a large part of the body’s bones. Calcium is also present as an ion in the blood and interstitial fluid, as is sodium. Phosphorus, potassium, and magnesium ions, too, are abundant within the interstitial fluid. All these ions play an important role in the metabolism of the body. Iron is found primarily as a component of hemoglobin, the oxygen-carrying form of red blood cells. Other minerals, found in minute but important amounts, include cobalt, copper, iodine, manganese, and zinc.

Learn About The Organ Systems In The Human Body

This diagram shows the five levels of organization in many organisms. The most important part is the cell; groups of similar cells form tissues; groups of different colors make up parts; groups of organs form organ systems; cells, tissues, organs, and organ systems combine to form many organisms.

The cell is the main living unit of the human body—indeed, of all living things. The human body has trillions of cells, which can grow, change metabolism, respond to stimuli, and, among other things, reproduce. Although there are 200 different types of cells in the body, these cells can be divided into four groups. These four basic cells, along with their outer tissues, make up the vital tissues of the human body:

Bones and blood are considered special connective tissue, in which the intercellular matrix is ​​solid and fluid.

The next level of organization in the body is that of the organ. An organ is a group of tissues that make up a well-defined and functional unit. Thus, the heart is an organ made up of four nerves, whose job is to pump blood throughout the body. Of course, the heart does not work on its own; it is part of the system made up of blood and blood vessels as well. Therefore, the highest level of movement of the body is of the organ system.

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The body includes nine major organs, each made up of different organs and tissues that work together as a functional unit. The main parts and main functions of each system are as follows: In a multicellular organism, an organ is a group of tissues that are connected in a structural unit to perform a single function.

In the realm of life, the organ is between the muscle and the organ. Muscles are made from single cells to work together. Different types of muscles combine to form an organ that has a specific function. The intestinal wall for example is made up of epithelial tissue and smooth muscle tissue.

Two or more organs working together to perform a specific function of the body form an organ system, which is also called a biological system or system.

Organ tissue can be divided into many groups such as parchyma, the functional tissue, and stroma, the normal tissue with supporting, connective, or supporting functions. For example, the tissue of the gland that produces hormones is the parchyma, while the stroma includes the tissue that makes the parchyma absent, the blood vessels that come out and suck and carry its metabolic waste, and the tissue that provides a good place for it to be and anchored. The major tissues that make up the td organ have the same embryologic origin, as from the same germ cells. Organs are found in most multicellular organisms. In single-celled organisms such as eukaryotes, the functional analogue of an organ is known as an organelle. In plants, there are three main organs.

Structural Organization Of The Human Body

The number of organs in any organism depends on the definition used. According to one well-known definition, 79 organs have been identified in the human body.

Apart from placozoans, multicellular animals including humans have different physiological systems. These specific systems are the most studied in the human body. The functions of these organs are often very shared. For example, the nervous and docrine systems work through a

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