It causes the blood vessels to contract (become smaller in diameter) and less flexible. It also speeds the heartbeat by reducing the amount of oxygen in the blood and forcing it to work harder.
blood pressure
Blood draws normally occur through veins, though which blood moves slowly. There is low pressure and little muscular activity in the veins, resulting in lower pressure.
The pressure difference between the two ends of a blood vessel is the driving force behind blood flow.
when it just come out from the heart at the aorta
First, you have to modify your lifestyle. Eat a healthy, balanced meals with low sodium and high potassium content. Exercise regularly starting with brisk walking for 15minutes thrice a day most days of the week. Cease smoking and avoid second-hand smoking. Sleep well. Manage stress and anxiety well. If the lifestyle modification does not normalize your blood pressure, then you have to consult a physician for a hypertensive work-up for a possibility of anti-hypertensive medication.
Yes they certainly can. Cholesterol is but one risk factor in heart health. Others include high blood pressure, alcohol consumption, smoking, amount of exercise a person gets, heredity and diet to name some more.
You can smoke a cigarette after donating blood. But, I would highly recommend waiting at least an hour afterwards. Some people experience intense dizziness and nausea while smoking immediately after donating
Coronary heart disease (CHD) begins by damage to the inner layers of the coronary arteries. The damage can be caused by smoking, high blood pressure, high cholesterol, blood vessels inflammation, or diabetes.
Coronary heart disease (CHD) is caused by two factors: atherosclerosis and coronary thrombosis. Atherosclerosis is narrowing of the arteries (especially the coronary arteries) by the build up of a fatty substance (cholesterol) in the artery wall. This cholesterol comes from the LSD cholesterol caried in the blood. Thrombosis is the formation of a blood clot. If this happens where the atrery is already narrowed it can block the artery completely, cutting off the supply of oxygen and glucose to the heart muscle. This is a heart attack. Factors which increase the risk of CHD include: * obesity * lack of exercise * smoking pot * poor diet (eg high levels of fat or salt) * excess alcohol consumption *bacon hat wearingSmoking, stress, high cholesterol, high blood pressure, and drug use can be contributing factors to heart disease. Some medical conditions like diabetes and obesity can also contribute to heart disease. There are also genetic factors.
The reason is because you are simply applying pressure to your cut or wound. All the blood that is "loose" will come out either way. It will either dry up or bleed more.
When a person dies, blood may come out of their mouth due to a process called postmortem lividity. This occurs when blood pools in the lowest parts of the body, including the lungs, and can be forced out of the mouth when pressure is applied to the chest or abdomen.
If you mean that your skin is flushed, then it can happen when you drink alcohol. Alcohol can raise blood pressure. You may also have high blood pressure even if you avoid alcohol. You can check your blood pressure yourself at those 'do-it-yourself' BP boothes at many drug stores. Or you can get a checkup at the doctors. Also, if the ambiant temperature where you live is high, the high heat can cause flushing as well. There are certain foods that can cause high blood pressure, such as licorise. Hope that is what you are looking for.