Answer:
C
Explanation:
You inject Epi-pen's into your thigh.
The cells in the heart need a constant supply of nutrients / oxygen and to get rid of their waste products ans that why it needs its own special circulatory system.
Random sampling means that members of a 'population' have equal chances of being selected. To carry out this type of sampling, you will need to use a table of random numbers.
Answer:
The correct option is B
Explanation:
Angina is described as pain in the chest and its described as pressure and squeezing pain. Followed with the fact that she started smoking very early with the increase in blood pressure and diabetes. So this will reduce the blood supply to the heart and cause pain. There would be narrowing of the blood vessels reducing blood flow.
