They should be concerned about his integument system. Skeletal would be bones respiratory would be breathing muscular would be muscle soreness.
In general, for most things, A would be correct (Any time of the day). It kind of depends on what you ar collecting the sample for. I think the earlier the better but it doesnt usually matter.
Proper muscular fitness improve posture
Explanation:
Good posture and body balance is highly essential for good health of the body. This helps to avoid risks of mechanical injuries. A proper muscular fitness regime has huge benefits like providing good energy levels, efficiently working heart, improves endurance, builds confidence and improves body balance and maintains posture.
To maintain a good posture, muscular fitness, flexibility, strength, strong skeletal structure, and normal joint movements are necessary. Posture defines the way one should stand, sit, or lie.
Strength training exercises provides good muscular fitness and aids in good body mechanics. This helps to maintain good body balance and coordination as well as posture.
