Answer: All are correct except smoking.
Explanation: Cigarettes contain carcinogens which can greatly INCREASE the risk of heart disease, heart attack, and stroke.
However, a healthy diet and regularly exercising will reduce the risk.
Answer: 5(last one :regulation of circulatory system)
Answer:
OD
Explanation:
The Vet know having shorter ears will not benifit the dog in any way. There are no cons to this, and it will not affect anything but the dog show. But, as long as it will not hurt the dog, the vet will continue.