Isometric exercises strengthen muscles without moving the muscles. Isometric exercises tense muscles but do not change the angle of the joint or cause the muscle to lengthen or contract like normal exercises do. These exercises usually consist of "holding" a certain position in which some muscle or muscles are tensed. A prime example of such an exercise is the plank. A.
contracting muscle fibers
B.
changing muscle length
C.
burning calories
D.
conscious effort

Hello, i would like someone to respond to this slogan .slogans 1. compare the two ways of representing the results of an investigation: through graphs and through tables. which form is easier to elaborate and interpret? which would be most appropriate to make comparisons between results of multiple variables? justify and exemplify your answers. 2. why should so much importance be attached to the formal part of the presentation of the results of an investigation? are not substantive issues much more important?

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

One way to improve self-esteem is through positive self-talk. select the best answer from the choices provided. t f