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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 ...
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 ...
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 ...
muscular system. Muscular. The primary job of muscles is to move the bones of the skeleton, but muscles also enable the heart to beat and constitute the walls of other vital hollow organs. There ...
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 ...
Lie on your side. Balance yourself on your lower arm’s forearm. If you’re lying on your left side, this will be your left arm, and on your right side, your right arm. Your elbow should be ...
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 ...
To achieve cardiovascular endurance, you should exercise aerobically 30 minutes per day, 3 to 7 days per week. When you do aerobic exercise, your body responds in the following ways: Your heart ...