9. the purpose of the mucus found within the respiratory system is to

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear