Smoking constricts blood vessels, causing tissues to receive less oxygen. What effect does this have on the heart? a. The heartbeat slows b. Valves in the heart close down c. Valves in the heart open further d. The heartbeat increases
Smoking constricts blood vessels, causing tissues to receive less oxygen. What effect does this have on the heart?
a. The heartbeat slows
b. Valves in the heart close down
c. Valves in the heart open further
d. The heartbeat increases
There are several activities performed by humans that causes abnormal conditions related to their circulatory system. Smoking, lack of exercise, stress, poor diet , obesity and diet rich in saturated fats are causes of coronary artery diseases. Therefore, it is important to include preventative measures like- reducing cholesterol levels in your food, avoiding sedentary life style and smoking in order to avoid and cardiovascular disease.
Cardiovascular disease occur due to malfunctioning of heart and its associated conducting vessels.
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