A.
contracts to move substances through the body
D.
breaks down food to acquire nutrients
so first of all the word abiotic means non living and the word biotic means living
so an example is that say a rabbit has just drowned in a pond the water is no longer able to be drunken by other animals or else they might be affected by it or what ever the bunny happened
Answer:
When people lift weights, microscopic damage (microtears) occurs to the myofibrils within the muscle fiber. These microtears stimulate the body's repair response. ... The increased number of myofibrils causes muscle fibers to enlarge, increasing their volume and size.
Explanation:
