Just like cells humans have, animals too have cells that are specifically designed to carry out different tasks within the tissue and the body. Animal cells are grouped into tissues, and one tissue has the same type of cells that perform the similar tasks.
Before we get into how do animal cells work, let us first look at the make up an animal cells. The cell contains organelles just like any other cell -- it has a nucleus, cell membrane and cytoplasmic material. In addition, an animal cell also contains mitochondria, which are responsible for converting glucose into energy.
There are different types of animal cells that perform differently tasks. For instance, the cells of the liver will work very different from the cells of a neuron. A liver cell's primary function is to detoxify the blood, work as a store house for glycogen, take out excessive amino acids from the blood, and make urea, which in turn is expelled from the body via the kidney. Besides this, a liver cell also works to keep the blood warm when the outside temperature is low and store iron.
Then there are white blood cells, or WBCs. There are millions of WBCs in an animal's body. They are the defense mechanism of the body and help to fight against diseases and harmful microorganism. The number of WBCs increases in the blood when the animal has an infection. WBCs are shape shifters and can squeeze through tiny openings in capillaries. They can also make their way into tissues to fight infection.
Therefore, it is very difficult to state how do animal cells work, as each type of cells has a different task, and therefore, works differently.
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