Answer:
Red blood cells
Explanation:
Spleen is also called as graveyard of RBC
body language, has he been acting weird? Agreeing or disagreeing in a joking way, lot of eye contact, complements you, the way he responds to touch (like a hand on his shoulder, holding his hand, ect.), and does he lean forward when your speaking to him despite already sitting close
Stimulus interaction state of arousal
Overwhitened eventually become semitransparent and start to develop a blue-gray tint!