Cardiovascular toxcity

Question 1

What is the function of the cardiovascular system?

Answer 1

1) Supply of oxygen to body organs
2) Transportation of gas, nutrients and wastes around the body.
3) Protect the body from infection and blood loss
4) Thermoregulation: To maintain a constant body temperature
5) Help maintain fluid balance in the body

Question 2

What is an ECG used for?

Answer 2

a simple test to check for heart rhythms and electrical activity-can detect heart abnormalites

Question 3

What is diastole and systole?

Answer 3

Diastole=heart relaxation

Systole=heart contraction

Question 4

What is arrhythmias and what is the cause?

Answer 4

It is an abnormal heart rhythm. Some possible toxins can cause this is alcohol abuse,drug abuse,supplements,smoking

Question 5

What is atherosclerosis?

Answer 5

This is the buildup of plaque (cholesterol) between the artries and this cause the vessels to narrow and this affects blood flow.Can lead to myocardial infarction or heart attack.POPs e.g PCBs