Vo2max is

a. a test used to people lose unwanted weight.
b. the highest level of oxygen consumption that can be sustained during exercise.
c. a measurement of how much blood the heart pumps during exercise.
d. not a good test of cardiorespiratory fitness

Brainliest. what are two not needed parts of the body?

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dancer so i get cardio a lot)

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity