Which of the following passes from the alveoli into the blood during gas exchange? a. carbon dioxide b. oxygen c. water d. nitrogen

Which type of neuroglia is found outside of the brain?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above