Painful periods.
pain in the lower abdomen before and during menstruation.
cramps one or two weeks around menstruation.
heavy menstrual bleeding or bleeding between periods.
infertility.
pain following sexual intercourse.
discomfort with bowel movements.
Answer:
left atrium
Explanation:
blood coming from lungs is oxygenated blood which is then carried to left atrium by pulmonary veins
The researchers found that smoking one joint is equivalent to 20 cigarettes in terms of lung cancer.
