The answer is A. Quit smoking.
Smoking affects the lungs terribly which can greatly affect your heart since they are both part of the cardiovascular system.
EDIT: To further explain, smoking affects your respiratory system (lungs, bronchioles, etc.) however the cardiovascular system depends on the respiratory system. Overall they both keep blood flowing through the arteries of the body. Smoking damages the lining of your arteries, leading to a build up of fatty material which narrows the artery.
Kidneys
Ureters
Bladder
Urethra
Are in all animals urinary system
It depends because the put gas in your chest to blow you up to get your gabladder out
What is blood regulation?
Answer: Blood regulation is the process in which insulin helps control the levels of glucose in the blood. This process is important and glucagon which is another hormone works along insulin to make it happen.
I hope it helps, Regards.
That happens because our eyes are trained to see things up close, so things far away don't look as clear, and they look smaller
