Jejunum if what i thought of
Hello sorry for the late replay but my best answer is going to be
A.)
Friction works in the direction opposite of motion
Answer:
It is thin tissue that lines the alveoli
Hope this helps.

A dog meets all the characerisitcs of life in the following ways - they maintain homeostatis, are made of cells, breathe and have a metabolism, are able to reproduce, pass their traits off to their offsp they grow and change, and and respond to their environment.
