Which system carries food and oxygen to cells answers?

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

In "the pig," what is the main effect that the piglet initially has on kibuka?

The diagram shows a chicken embryo and a human embryo