Oxygen is something that your cells need all the time. Therefore, oxygen most likely crosses their cell membranes through a. endocytosis.
b. osmosis.
c. active transport.
d. passive transport.

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.