Answer:
Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Smoking also increases risk for tuberculosis, certain eye diseases, and problems of the immune system, including rheumatoid arthritis.
Explanation:Smoking is major cause of cardiovascular disease, such as heart disease and stroke. Smoking increases the risk of blood clots, which block blood flow to the heart, brain or legs. Some smokers end up having their limbs amputated due to blood circulation problems caused by smoking.
Answer: The Mitral and Tricuspid valves control blood flow in the heart
Explanation:
Answer:
This is also true
Explanation:
Lactic acid is a normal byproduct of muscle metabolism, but it can irritate muscles and cause discomfort and soreness. Muscle soreness associated with exercise is known as delayed onset muscle soreness or DOMS.
I believe you are free to hike without training.
D. Hike