What type of ventilation pressures do humans use to breathe?

Which muscle is responsible for inhalation ?

Asap i will reward you brainliest for best 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.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000