Answer:
The smallest bronchioles end in tiny air sacs, called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream.
Explanation:
I would say swimming but imo karate requires more kicking with complex and diverse skills
Answer:
Menstruation is the process in which the uterus sheds blood and tissue through the vagina. This is a natural and healthy process for girls and women of reproductive age. In Western communities, this is often called “the period.” It typically lasts 2 to 5 days, but this varies by individual.
This sexually transmitted disease is caused by a bacterium and is known to cause sores called chancres.
b. syphilis
Answer:
heart arrhythmias, the answer would be E.