Slides in this set
· Diffusion is the movement of a fluid across a
· osmosis is the movement of water across a semi-
· Active transport is the cells moving substances
from a low concentration to a high
concentration. They move against a
concentration gradient…read more
· Lungs are separated from the digestive organs by
When you breathe in...
your ribs move UP and OUT
your diaphragm flattens
air is pulled INTO the lungs
When you breathe out...
your ribs move DOWN and IN
your diaphragm returns to itsdomed shape
air is forced OUT OF the lungs…read more