Answer:
Why do marathon runners collapse and die? Some of the reasons why marathon runners often collapse near the finishing line is because the build-up of lactic acid in the blood during the run triggers abnormal heart rhythms and also exhaustion, emotional stress, dehydration and heat stroke
Certain elements are required in large quantities, and others are required in small amounts by the body, but both are essential for the survival of the cells. The cells which are required in large amounts are called as macronutrients, while the ones required in small quantities are called as micronutrients, or trace elements.
Hence, the answer is trace elements or micronutrients.
Explanation:
1). coronary artery disease = damage to major arteries of the heart, treated by blood thinners, change of diet, exercise.
2). high blood pressure = force of blood against artery walls are too high. treatment is diet with less sodium, more exercise & diuretics,(rids body of excess fluids).
3). cardiac arrest (heart attack). unexpected loss of breathing, consciousness, heart function. treatment is antiarrithmic drugs, pacemaker, blood pressure support, change of diet.
The answer would be B) Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate.
I think A) but not really a lot of info
