Answer:
The excretory system is responsible for eleminating waste products and filtering body fluids.
- Karnoven heart rate Ratio Method
Advantages : Easy to do, cost friendly
Disadvantages : can only predict the amount of maximum oxygen intake
-Vo2max
Advantages : this test directly measures body oxygen consumption , the other tests only try to estimate
Disadvantages : Relativiely time consuming and high cost
Answer:
Sends you unwanted, explicit pictures and demands you send some in return. Pressures you to send explicit videos. Steals or insists on being given your passwords. Constantly texts you and makes you feel like you can't be separated from your phone for fear that you will be punished.
