"Passive transport<span> is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. </span>
There are four different types of passive transport: diffusion<span>, facilitated </span>diffusion,filtration<span> and </span>osmosis." - Google
(B.) Sea levels rose over 300 feet
I think
Water cycles through organisms and rivers.
Answer:
They are 3 in numbers
Explanation:
which are the airway, the lungs, and the muscles of respiration
Answer: peristalsis
Explanation:it's the contraction and relaxation of muscles as the bolus moves down the oesophagus