根据汉语提示完成句子（每空一词）。
Meat can give us _____________, but too much meat is bad for our health. (能量)
Everyone should brush(刷)their __________after getting up and before going to bed. (牙）
He is too fat. His mother asks him to eat more vegetables and _________meat. （少量）
__________ (生物)is one of the most interesting subjects and I like it best.
Don’t you know that a cat has nine _______?(生命)