How is a depressant different from a stimulant?

You can add phyisical activity minutes to your day by uising a leaf blower instead of a rake

What is one technique to a person get proper sleep? eat a heavy meal before bed. exercise intensely before bed. practice relaxation breathing before bed. use electronics before bed.

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?