Answer:
The missing options are:
a.lining the pharynx
b.lining the trachea
c.within the walls of the alveoli
d.You would find epithelial cells in all of the listed answer choices.
The correct answer is d. You would find epithelial cells in all of the listed answer choices.
Explanation:
Epithelial cells are in all the options mentioned above because they are the ones that form the tissue of the respiratory system, and that form a barrier between the exterior and the interior of the body as a mechanism of protection. They also are in the skin or the urinary system.
Answer:
A slow heart rate might occur because the sinus node:
Explanation:
False.
Extinction = Behaviors that are not reinforced will become weaker (occur less often).
They’re worst for you because your body starts to break it down like real sugar and some shyt happens but i forgot what because i did that last year
