I think it is D
Hope this help you!!
Answer:
I'm not for sure but I think it is A
Explanation:
Fragile
Osteoporosis is the reduction of the bone density of the bones of the body. This makes bones more susceptible to fracture, and there are a number of factors enhancing the chances of the development of osteoporosis in an individual. These factors include lack of calcium and vitamin D in the diet, genetics, lack of exercise, cigarette smoking, excessive drinking and many more.
The p wave represents atrial contraction
