The is where gas exchange takes place between the lungs and the blood. a) alveoli b) bronchi c) vena cava d) bronchioles

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?