Quadriceps. ...Hamstrings. ...Gluteus maximus. ...Calves. ...
Answer:
The 3rd Option
Explanation:
Simple for this question, C: an investigation because it uses only observations.
We live longer, We heal quicker, We have low blood pressure, We bolster our immune systems, We are more physically fit, We enjoy good heart health and We feel less pain
THE ANSWER IS D : EPIDEMIOLOGIST GOOD LUCK AND HOPE IT HELPS U