Select the correct answer. What should you NOT do when doing abdominal workouts?
A.
Keep your chin off your chest
B.
Keep your head aligned with the spine
C.
Put pressure on your neck
D.
All of the above

Well a pediatrician is a children’s doctor and a obstetrician is a doctor that delivers babies and cares for pregnant women.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

The answer is c) urethra