You have examined several body systems that rely and work with each other in order to function properly. one very important task that amphibians and all living things need is to efficiently exchange gases in order to survive. explain in a brief essay how the cardiovascular system and respiratory system work with each other based on your experience and observations from this virtual lab.

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unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!