Answer:
Muscles that are under your control are called voluntary muscles.
Answer:
all of the above is answer of this question
Objective is to complete as many curl-ups as possible up to a maximum of 75 at a specified pace. ... When performing the curl up students need to get their backs up off the mat far enough so that their fingertips cross the measuring strip.
The most important types of exercises that build cardiorespiratory endurance are aerobic exercises, because those get the blood flowing and and the heart pump better.