rustam o‘ktamov

isolated – do not exchange matter or energy with According to the interaction of the system with its surroundings we discriminate systems: isolated – do not exchange matter or energy with surroundings closed – exchange only energy with surroundings, not m...

I. law of thermodynamics If a system is doing a work or the surroundings is doing a work on the system, its internal state is changed. E.g. if we compress a gas in a cylinder with a piston the temperature of the gas increases. Similarly, if there is a che...

isolated – do not exchange matter or energy with According to the interaction of the system with its surroundings we discriminate systems: isolated – do not exchange matter or energy with surroundings closed – exchange only energy with surroundings, not m...

Blood Vessels Delivery system of dynamic structures that begins and ends at the heart Arteries: carry blood away from the heart; oxygenated except for pulmonary circulation and umbilical vessels of a fetus Capillaries: contact tissue cells and directly se...

Stretching a Spring A pair of forces are needed to change the shape of the spring Compressive Tensile Stiffness of the spring Load Extension Hooke’s Law