HELP PLEASEE. The alveoli are responsible for gas exchange with the circulatory
system. describe how the gasses
move as these systems
interact when you breathe in, then exhale.
Include the following
terms:
*Diffusion
*Passive transport
*Oxygen
*Alveoli
*Carbon dioxide
*Capillary

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun