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Mar 21, 2024 · Learn about the structure and function of the human body, its organs, systems, and tissues. Explore the chemical composition, development, and diversity of the human body with diagrams and facts.
- The Editors of Encyclopaedia Britannica
Jan 26, 2024 · Learn about the five vital organs (brain, heart, lungs, liver, kidneys) and the non-vital organs (gallbladder, pancreas, stomach) of the human body. See a diagram of the organs and their functions, and how they support each other in various organ systems. Find out how to maintain optimum health and what to do if you have problems with any of the organs.
- 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).
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Explore the 12 major anatomy systems of the human body with a detailed diagram of each system's organs and functions. Learn about the skeletal, muscular, cardiovascular, digestive, endocrine, nervous, respiratory, immune/lymphatic, urinary, female reproductive, male reproductive and integumentary systems.
The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems. They ensure homeostasis and the viability of the human body. It consists of head, hair, neck, torso (which includes the thorax and abdomen), arms and hands, legs ...
Jun 20, 2023 · Learn about the 11 major organ systems in the human body, such as circulatory, respiratory, digestive, skeletal, muscular, nervous and reproductive systems. See a diagram of the body parts in each organ system and their functions.
Get introduced to the major organ systems of the human body! You’ll learn some general anatomy (a roadmap of your body), learn how the arm bone actually connects to the shoulder bone, and how the different organs work together to keep you alive.
