The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
Answer:
Joints, pivots or points of rotation
Meninges cover the brain and spinal cord. Meningitis=inflammation of the brain and spinal cord
The answer is letter A - Rhinostenosis and nasomental. Rhinostenosis is narrowing or obliteration of the nasal airway. Obviously we mainly breathe throw our nose. If it is clogged or being narrowed then we naturally will be having a hard time breathing. Rhinostenosis is a breathing condition.