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Rom4ik [11]
3 years ago
7

Research will be done over the Circulatory System also known as the Cardiovascular System.

Biology
1 answer:
sammy [17]3 years ago
3 0

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.

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What is the basis for the delay between the atrial and ventricular contractions in a normal heart?
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galben [10]

The graph is not given in the question and options are also not clear, so the required graph is attached below and the clear options are also given below:

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