Blood may then enter a ruptured atheroma, making it larger, so that it narrows the artery even more. ... For the heart to contract and pump blood normally, the heart muscle (myocardium) requires a continuous supply of oxygen-enriched blood from the coronary arteries. ... And it's usually worse in cold weather. Walking into the wind or moving from a warm room into the cold air may start an angina attack. ... A blood clot is the most common cause of a blocked coronary artery. ...

• Word Count: 2410
• Approx Pages: 10

For instance, when afraid their skin felt cold, when embarrassed the subject blushed, etc. ... The psychophysiologic cardiovascular reaction includes, high blood pressure, and heart attacks, also, cancer. ... The psychophysiologic cardiovascular reaction, including heart attacks and excessive heart action, high blood pressure, vascular spasms, and headaches. ... The pschophysiologic hemic and lymphatic reaction includes, disturbances in the blood and lymphatic systems in which emotional factors play a big role. ... In other experiments, people learned to control their heart rhythms and deg...

• Word Count: 1862
• Approx Pages: 7
• Grade Level: Undergraduate

The blood vessels in the user's eyes will probably enlarge, giving the person a "blood shot" appearance. ... A heavy dose of marijuana can decrease the amount of blood pumped into the brain. ... The blood flow to the back of the brain is greater than the front, after smoking. ... The damage to the immune system can cause the user to get pneumonia or a chest cold etc. more easily. ... You could develop lung cancer or a dangerously low blood pressure. ...

• Word Count: 1469
• Approx Pages: 6
• Grade Level: High School

The blood vessels in the user's eyes will probably enlarge, giving the person a "blood shot" appearance. ... A heavy dose of marijuana can decrease the amount of blood pumped into the brain. ... The blood flow to the back of the brain is greater than the front, after smoking. ... The damage to the immune system can cause the user to get pneumonia or a chest cold etc. more easily. ... You could develop lung cancer or a dangerously low blood pressure. ...

• Word Count: 1469
• Approx Pages: 6
• Grade Level: High School