A: Scientific knowledge can be revised with time.
Is called the cell membrane
Endangered Species Act of 1973
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.
cells are bigger than atoms. We can see cells with a microscope. Just as atoms have smaller parts called protons, neutrons, and electrons, cells have smaller parts, too. When you look at cells with a powerful microscope, you can clearly see hundreds of them.
Answer:So yes,humans and other mammals (like dogs) have same immune system. Differences may occur in the protein structures, but they all come in same family and work similarly like humans.
Explanation: Are animal immune systems different from humans? - Quora
https://www.quora.com/Are-animal-immune-systems-different-from-humans