Explain how the respiratory and circulatory systems work together to maintain homeostasis. Be sure to include ~The function of each system and the organs involved
~How the respiratory systems help the circulatory system work
~ how the circulatory systems helps the respiratory system work

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

a community that experiences major changes undergoes progress

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek