Health Issues Related to the Human Circulatory System

Health Issues Related to The Blood Circulatory System of Humans

10.6

Health Issues Related to The Blood Circulatory System of Humans

Importance of a healthy cardiovascular system:

Encourages a healthy growth cell.
Transport substances required by body cells such as nutrients and oxygen to allow the cells to use the oxygen and glucose for cellular respiration.
Transport waste substances such as carbon dioxide to be excreted.

Cardiovascular diseases include diseases related to the heart and the blood circulatory system such as atherosclerosis, arteriosclerosis, angina, hypertension, myocardial infarction (heart attack) stroke.

Atherosclerosis is the formation and deposition of plaque on the artery walls.
The plaque is formed from cholesterol, lipid, dead muscle tissues and coagulated platelets.
The plaque will clog and narrow the lumen in blood vessels.

The restricted blood flow can cause hypertension.
Hypertension causes fine arteries to break and the patient can suffer from stroke if this happens in the brain.
Stroke is also caused by blood clots (thrombus) that clog the flow of blood in the brain.

Artherosclerosis is the early stage of arteriosclerosis.
Arteriosclerosis occurs when calcium is deposited on the plaque and causes the artery to become hard and lose its elasticity.

If the lumen of the coronary artery (artery for the heart) is narrowed, the insufficient oxygen supply to the heart muscles can cause angina (serve chest pain).
If the artery is completely clogged, myocardial infraction (heart attack) will occur.

Health Issues Related to The Blood Circulatory System of Humans

Chapter : Transportation in Humans and Animals

Topic : Health Issues Related to the Human Circulatory System

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