For moderate-intensity physical activity, a person's target heart rate should be 50 to 70% of his or her maximum heart rate. ... For example, for a 50-year-old person, the estimated maximum age-related heart rate would be calculated as 220 – 50 years = 170 beats per minute (bpm).
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<span>Respiratory diseases caused by nicotine and tobacco are:
</span>Chronic obstructive pulmonary disease (COPD), like chronic bronchitis (a long-term (chronic) inflammation of the large airways (bronchi) and emphysema ,a chronic lung condition that <span>affects the air sacs (alveoli) in the lungs</span><span>
Correct answer: 1 and 3.</span>
Answer:
Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure. A ligament is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable
