I'm pretty sure they are reffering to Alzheimers.
From what i know, in sickle cell anemia the blood is lack of oxygen.
The haemoglobin run from the blood cell because reacted with nitric oxide, and so thats why the shape of the blood change into sickle-shaped like.
Answer: panda is an animal, mushrooms are a plant, the green dot things are bacteria, trees are also a type of plant but in larger form, the orange string things are fungus and the grey is eubacteria
Explanation:
