Advise Mr. Walker to call 911 and be seen in the emergency room. SOA, pressure in the chest and sweating (diaphoresis) are i indicators of heart attack. I would suggest a low dose of baby aspirin too to thin the blood in the event it is a heart attack.
A leaf is an organ because the leaf is made of lots of tissues. It helps the plants.
When Working Out In Exercising in hot weather puts extra stress on your body. Wind chill extremes can make exercising outdoors unsafe even with warm clothing. Exercising in cold weather increases the risk of hypothermia
Body mass index is the most commonly used simple measure of obesity.
Answer:
Lubricates joints and body cells