Answer:
The cilia is one of the things that act defensively in the respiratory system.
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
Sleeping on the stomach is "prone," on the back its "supine."
In eukaryotic cells DNA is in a nucleus where are in prokaryotic cells DNA is free
Answer:
C.
Explanation:
This is because cellular respiration produces C02, which photosynthesis uses.
Essential amino acids cannot be made by the body. As a result, they must come from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
