Well he could be teething, if hes 18 months, but it could be an abnormality in his muscles
The correct answer is letter C, Determining your VO2 Max is the best measure of cardiorespiratory fitness. VO2Max is the maximum volume of oxygen that a person can intake during bouts of exercise. There is actually a specific machine that measures the volume of oxygen intake a person can do during an activity. It is usually done in labs and in a controlled set-up.
Answer:
socio- emotional
Explanation:
all reflections of socio-emotional processes deeply involved in human development.
