Answer:
Explanation:
Gas exchange occurs at the alveoli in the lungs and takes place by diffusion. The alveoli are surrounded by capillaries so oxygen and carbon dioxide diffuse between the air in the alveoli and the blood in the capillaries.
Volcanoes, the lava when cooled becomes igneous rock!
A all cells have the same number of chromosomes hope this helps!! and C
You can get sickle cell anemia with any blood type you have. The disease is also hereditary so it would have to be in your genetics before it is in your blood. And you might just have the trait. So this is why you cannot determined it by just knowing your blood type.
upwelling cold sinks, warm rise. suponification
