animal cell what are small and numerous
Answers
Explanation:
As with all of Earth’s organisms, animals are built from microscopic structures called cells. Cells are the basic unit of life and these microscopic structures work together and perform all the necessary functions to keep an animal alive. There is an enormous range of animal cells. Each is adapted to a perform specific functions, such as carrying oxygen, contracting muscles, secreting mucus, or protecting organs.
The cells of animals are advanced and complex. Along with plants and fungi, the cells of animals are eukaryotic. Eukaryotic cells are relatively large cells with a nucleus and specialized structures called organelles.
Although animal cells can vary considerably depending on their purpose, there are some general characteristics that are common to all cells. These include structures such as the plasma membrane, cytoplasm, nucleus, mitochondria, and ribosomes.