Answer:
The higher the recruitment, the stronger the muscle contraction will be. The greater the cross-sectional area of the muscle, the more muscle fibers that can be activated simultaneously.
Muscle strength is directly dependent upon the size of the cross-sectional area of muscle.
hope it helps:)
Explanation:
<span>tripling protein intake. taking hormones duplicating those of puberty. putting a demand on muscles repeatedly</span>
Answer:
D
Explanation:
Comets are brightest near the sun.
Coating of mucus( gastric mucosal barrier) protects the stomach from its acid
Antarctic fish species requires an adaptation to cold environment. Living at cold temperature environment would demand certain biological responses such as cutaneous respiration, enlarged blood vessels, and producing greater amounts of fat. Most of these fat are composed of higher phospolipid levels which are primarily due to phosphatidylethanolamine. This phospolipid is responsible for destabilizing cell membranes and make it more fluid thereby allowing unrestricted blood flow. The fatty acid composition of the membrane lipid is important for membrane fluidity, this is mainly attributed to unsaturated fatty acids which are responsible for decreasing the order of membrane lipids thereby decreasing viscosity. At extremely low temperatures, organisms with low concentration of unsaturated fatty acids would freeze cell membranes. That's why antarctic fishes have higher levels of unsaturated fatty acids.
