The answer to what you're asking for would be C.
Activated when they recognize small components of antigens
True, because the stages go in accordance with the one before and after
Answer:
wrong, it's D. deoxygenated blood has lower levels of oxygen inside of it compared to oxygenated blood
Explanation:
Deoxygenated blood is blood with low levels of oxygen that flows toward the heart. Oxygenated blood if blood with high levels/exposure to oxygen that flows away from the heart.
Although A is true, it doesn't explain the difference, more like a fact.
I’m here to talk, If you need someone to talk to pls reach out to me. It’s hurts I deal with the same thing. Your feelings are valid.
