C because it’s the right answer
Answer:
d
Explanation: i did this in middle school
<span>platysma is an example of a muscle of facial expression.</span>
THRZ - Target Heart Rate Zone
It is the level of intensity of cardio during cardio exercise and has different ranges. 60% to 70% ,low intensity this is a warm up for beginners. 70%-80% moderate intensity, it is in this zone that improves body's ability to transport oxygen throughout the body and conditioning one's heart.80% - 90% it in this zone also that allows us to burn more calories.