10 points
Cells in your body get oxygen they need and get rid of carbon dioxide
waste through the? *

A. Digestive System
B. Respiratory System
C. Nervous System
D. Circulatory System

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

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

If animal agriculture was eliminated, how much grain would become available for human consumption?