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May 26, 2024 · Learn about the structure, function, and composition of the human body, the physical substance of the human organism. Explore the major organs, systems, tissues, and cells, as well as the biochemical constituents and developmental stages of the body.
- The Editors of Encyclopaedia Britannica
TheBody is a website that covers HIV/AIDS-related topics, such as treatment, prevention, advocacy, and community. Find expert advice, personal stories, and the latest research on HIV and its impact on people's lives.
Jan 26, 2024 · Organs and organ systems in the human body. The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach ...
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.
Apr 5, 2024 · Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.
- 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).
Jun 20, 2023 · Learn about the structure and function of the human body's 11 organ systems, such as the circulatory, respiratory, digestive, skeletal, muscular, and nervous systems. Find out how each organ system works with others to perform essential activities like breathing, digestion, and movement.
