Chp. 1 Vocab Flashcards
Organs and structures of the heart and blood vessels that transport nutrients, water, hormones, gasses, and other substances throughout the body.
Cardiovascular system
Invasion and proliferation of pathogens in body tissues
Infection
Living things that are too small to seee without magnification
Micro organisms
Disease causing micro organisms
Pathogen
Fluid that people cough up from the lungs
Sputnum
Design and arrangement of objects so that people interact with them most efficiently and safely
Ergonomics
Large veins(venous trunks) that return deoxygenated blood from the body to the heart
Venae cavae
The process of supplying the body with oxygen
Oxygenation
Odorless, colorless gas that forms in the tissues and is eliminated by the lungs
Carbon dioxide
Division of the nervous system that prepares the body to act efficiently in stressful situations (fight or flight)
Sympathetic nervous system
Division of the nervous system that prepares the body for digestion and rest
Parasympathetic nervous system
Diffusion of water through a semipermeable membrane
Osmosis
Movement of a substance from an area of high concentration to an area of low concentration
Diffusion
Process that separates substances by forcing them through a membrane
Filtration
Chemical substance that develops an electrical charge and can conduct an electrical current when placed in water
Electrolyte
Chemical of a cell produces that affects the functions of other cells
Hormone
Type of protein the immune system produces to neutralize a threat of some kind
Antibody
Eliminate
Excrete