Hello there :)
I am quite sure this is a true/false question
This statement is false.
Yes, the cilia and mucus in the trachea does sweep upward, however, it moves the mucus towards the pharynx where it is swallowed not towards the nose where it is sneezed out.
Hello there!
The answer is D. Species
Hope this helps!
(D), amount of time and area of physical contact between the substances
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries
ATP is required for muscle contraction. Four sources of this substance are available to muscle fibers: free ATP, phosphocreatine, glycolysis and cellular respiration. A small amount of free ATP is available in the muscle for immediate use.
Hope this helps :)
