To help me sleep I will normally put on like soft meditation music or something like that. I don’t know if that helps others but it helps me
The bodies first line of defense would be: A
Ones from that would be "tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils." - https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjAzoTz5sLT... ( Some extra info c: )
Answer:
C
Explanation:
Using exercise equipment as it was designed to be used is safe, because if you use in incorrectly, you may injure yourself.
I believe it would most likely be standing for 5 minutes or more