Measure your heart rate before, during and after work outs and write it down. Monitors can be worn as a strap across the chest, on the wrist and even on the head, and by measuring your heart rate can help you exercise at the right intensity. Most don't have a display, so you'll need to connect your monitor with a sports watch or smartphone app to see your heart rate.
D.
This is because if you’re in high air polluted areas your lungs could be affected.
If you exercise in heat you’re more likely to have a heat stroke or pass out, which are both dangerous.
If equipment is made for something specific, using it wrong could result in physical injury.
Answer:
Osteons are cylindrical structures that contain a mineral matrix and living osteocytes connected by canaliculi, which transport blood. They are aligned parallel to the long axis of the bone. Each osteon consists of lamellae, which are layers of the compact matrix that surround a central canal called the Haversian canal.
