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The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An adult’s ...
The central system is the primary command center for the body, and is comprised of the brain and spinal cord. The peripheral nervous system consists of a network of nerves that connects the rest ...
Biology. Physiology ( / ˌfɪziˈɒlədʒi /; from Ancient Greek φύσις (phúsis) 'nature, origin', and -λογία ( -logía) 'study of') [1] is the scientific study of functions and mechanisms in a living system. [2] [3] As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and ...
Anatomy is the study of the structures of animals, plants, and humans. Physiology is the study of how those structures work. An imaging scan like an X-ray or ultrasound shows your anatomy, giving ...
The Federal Employees Health Benefits ( FEHB) Program is a system of "managed competition" through which employee health benefits are provided to civilian government employees and annuitants of the United States government. The government contributes 72% of the weighted average premium of all plans, not to exceed 75% of the premium for any one ...
Movement. Bones also play an important role in the movement of your body, transmitting the force of muscle contractions. Your muscles attach to your bones via tendons. When your muscles contract ...
Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design to optimize human well-being and overall system performance. Human factors engineering is relevant in the design ...
The endocrine system is a network of glands and organs located throughout the body. It’s similar to the nervous system in that it plays a vital role in controlling and regulating many of the ...