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5 days ago · The human body is the physical substance of the human organism. Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands.
- The Editors of Encyclopaedia Britannica
- Skeletal system. The skeletal system is composed of bones and cartilages. There are two parts of the skeleton; axial and appendicular. The axial skeleton consists of the bones of the head and trunk.
- Muscular system. The muscular system consists of all the body muscles. There are three muscle types; smooth, cardiac and skeletal muscles. Smooth muscle is found within walls of blood vessels and hollow organs such as the stomach or intestines.
- Cardiovascular system. The cardiovascular system is comprised of the heart and the circulatory system of blood vessels. The heart is composed of four chambers; two atria and two ventricles.
- Respiratory system. The respiratory system consists of a series of organs; the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and lungs (alveoli).
Each organ performs one or more specific physiological functions. An organ system is a group of organs that work together to perform major functions or meet physiological needs of the body. The human body contains eleven distinct organ systems (Figure 1.1 and Figure 1.2).
Epithelial tissue consists of tightly packed sheets of cells that cover surfaces—including the outside of the body—and line body cavities. For instance, the outer layer of your skin is an epithelial tissue, and so is the lining of your small intestine.
- Yes. Glial cells are the neuron's "helper". They provide neurons with support, insulation, and protection.
- One of the more well-known hormones that are made in the brain is the *Growth Hormone*, which is produced by the pituitary gland. It is a small gla...
- I would say it depends on the organism and how it functions! For example, we are quite complex (organ-wise) and are obviously quite successful anim...
- Arteries have an outer tube of connective tissue for structural support. And smooth muscle tissue makes next layer. Smooth muscle tissue layer allo...
- Cells of connective tissue work in synergy. They provide matrix (as some form of a skeleton) which is 'invaded' with mobile or fixed cells of conne...
- Every tissue has its role in an organ! Epithelial gives protection, skeletal gives support, muscle helps locomotion and neural conducting signals!...
- "Phlegm" is removed from your throat in a couple of different ways: phlegm that is produced in your respiratory passageways is moved into your oral...
- They do — arteries are a type of blood vessel (i.e. an element of the cardiovascular system), which is mentioned in this article. In the future, fo...
- The biosphere-- consisting of all life on earth.
The largest new municipality in the Île-de-France, Evry-Courcouronnes was formed in 2019 after the merge of the Évry and Courcouronnes communes. The city is regarded as a cradle of biotechnology due to the fact that the research centres of Genople as well as AFM-Téléthon can be found in the city. groups.
Elements. Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
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Life processes of the human body are maintained at several levels of structural organization. These include the chemical, cellular, tissue, organ, organ system, and the organism level. Higher levels of organization are built from lower levels.
