Whats the "dead end" branch of the digestive system?

The body is protected against harmful flu viruses by

Which best describes what you will do in the reaching your academic potential course?

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