Answer:
Muscular strength is defined as the maximum amount of force that a muscle can exert against some form of resistance in a single effort.
Muscular endurance is the ability of a muscle or group of muscles to sustain repeated contractions against a resistance for an extended period of time.
Explanation:
Muscular strength: health benefits include ease of movement, good posture, and easier performance of work, everyday activities, and exercise.
Muscular endurance: health benefits include increases your ability to do activities like opening doors, lifting boxes, or chopping wood without getting tired, reduce the risk of injury, and helps you keep a healthy body weight.
It is important to stretch before exercising because for example if you were to be doing a strenuous workout it causes the blood vessels in your legs to expand. Which then causes more blood into your legs and feet. If you were to stop after a while of exercising your heart rate slows down and blood can pool into your lower body which could cause you to possibly faint.
Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an object being observed and one of the color appearance parameters of color appearance models.