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2 days ago · Chemical composition of the body. Chemically, the human body consists mainly of water and of organic compounds —i.e., lipids, proteins, carbohydrates, and nucleic acids. Water is found in the extracellular fluids of the body (the blood plasma, the lymph, and the interstitial fluid) and within the cells themselves.
- Human Skeleton
human skeleton, the internal skeleton that serves as a...
- Epithelium
epithelium, in anatomy, layer of cells closely bound to one...
- Nervous System
Nervous systems are of two general types, diffuse and...
- Basic Form and Development
Human body - Anatomy, Physiology, Development: In general...
- Cardiovascular System
Human cardiovascular system, organ system that conveys blood...
- Abdominal Cavity
abdominal cavity, largest hollow space of the body. Its...
- Respiratory System
Respiratory system, the system in living organisms that...
- Human Skeleton
3 days ago · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature. These cells cooperate with other specialized cells and become ...
- What is a cell?A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of...
- What is cell theory?Cell theory states that the cell is the fundamental structural and functional unit of living matter. In 1839 German physiologist Theodor Schwann an...
- What do cell membranes do?The cell membrane surrounds every living cell and delimits the cell from the surrounding environment. It serves as a barrier to keep the contents o...
1 day ago · Brain, the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the center of learning. Learn more about the parts and functions of the brain in this article.
- The Editors of Encyclopaedia Britannica
1 day ago · Etymology and terminology. The Oxford English Dictionary states that the Neo-Latin word clītoris likely has its origin in the Ancient Greek κλειτορίς ( kleitorís ), which means "little hill", and perhaps derived from the verb κλείειν ( kleíein ), meaning "to shut" or "to sheathe".
1 day ago · The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head ( cephalization ), usually near organs for special senses such as vision, hearing and olfaction. Being the most specialized organ, it is responsible for ...
3 days ago · v. t. e. Female genital mutilation ( FGM) (also known as female genital cutting, female genital mutilation/cutting ( FGM/C) and female circumcision [a]) is the ritual cutting or removal of some or all of the vulva. The practice is found in some countries of Africa, Asia and the Middle East, and within their respective diasporas.
4 days ago · organs: 1 n edible viscera of a butchered animal Synonyms: variety meat Types: show 20 types... hide 20 types... giblet , giblets edible viscera of a fowl offal viscera and trimmings of a butchered animal often considered inedible by humans heart a firm rather dry variety meat (usually beef or veal) liver liver of an animal used as meat ...
