Answer:
1. Mnemonic
2. Spontaneously recovered
3.At the beginning
4.Tip of the tongue
5.Proactive Interference
6.Classical Conditioning
7.operant conditioning; Pavlov
8.Generalization
9.Sugar high; sugar high
10.Ion, bit, engram
11.Episodic
I hope this answer can help you :)
They may be dehydrated, dehydration causes both of these symptoms
It usually means you have gingivitis (gum disease)