I think the answer is. A.good conductors of thermal energy.
Rough ER<span> looks like sheets or disks of bumpy membranes while </span>smooth ER<span> looks more like tubes. </span>Rough ER<span> is called </span>rough<span> because it has ribosomes attached to its surface. The double membranes of </span>smooth<span> and </span>rough ER<span> form sacs called cisternae.</span>
Hey there!
The correct answer is False.
The right lung actually has three lobes while the left lung has two!
Hope this helped and have a great day (: