Multi-modal learning, top-down vs bottom-up learning, primacy and recency effect verbatim effect, and working memory capacity
<span>An extremely low calcium level may cause tingling often in the lips, tongue, fingers, and feet, muscle aches, spasms of the muscles in the throat leading to difficulty breathing, stiffening and spasms of muscles , seizures, and abnormal heart rhythms.</span>
It will make you tired and tou will just want to sleep ( i know this from exsperiience)