Activated when they recognize small components of antigens
The talk test is a one of the easiest ways to monitor your exercise
intensity. You don't need any equipment, like a heart rate monitor.
All you really need is the ability to talk and breathe.
Whether you can do both at the same time is where your intensity comes in.
Answer:
5. NREM
8. 9 to 9 1/2 hours
9. ninety minutes to two hours.
Explanation: Hopes this help
