Answer:
If the fluid is very concentrated, the cell will lose a lot of water, causing the red blood cell to shrink and die. On the opposite side of things, if the body fluids are too dilute (hypotonic), water will diffuse into the red blood cells (because the inside is more concentrated than the body fluid), causing the cells to burst open.
The answer is false.
<span>The group of similar cells working together to perform a
specific job is called a tissue. The functional group of multiple tissues is called organ.
Functionally related organs form organ systems, which all together form
one organism.</span>
So, surgeon is working at the organ level. The lungs are the organs of transpiration. Since they are organs, they consist of multiple tissues, which consist of many cells. But the surgeon does not work on one single cell, he works with the whole organ.
Vertebrates contain a back bone while invertebrates do not so D
