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Explore the human circulatory system, including the heart, blood vessels, and blood components like plasma and cells. Understand the systemic and pulmonary circuits, the lymphatic system's role, and specialized pathways for organ health. Discover the development of the circulatory system and the impact of diseases like hypertension and atherosclerosis on health.
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The heart is a muscular pump that continuously circulates blood throughout the body
Arteries
Arteries carry oxygenated blood away from the heart under high pressure
Veins
Veins return deoxygenated blood to the heart, often against gravity
Capillaries
Capillaries are the smallest blood vessels that facilitate exchange of substances between blood and tissues
Blood is a specialized fluid that carries essential substances and removes waste products from cells
Systemic circulation transports oxygenated blood from the heart to the body's tissues and returns deoxygenated blood to the heart
Pulmonary circulation carries deoxygenated blood from the heart to the lungs for gas exchange and returns oxygenated blood to the heart
Coronary Circulation
Coronary circulation supplies oxygenated blood to the heart muscle
Cerebral Circulation
Cerebral circulation provides blood supply to the brain
Renal Circulation
Renal circulation supports the function of the kidneys
Hepatic Portal Circulation
Hepatic portal circulation transports blood from the gastrointestinal tract to the liver for processing
The lymphatic system works with the circulatory system to maintain fluid balance, absorb fats, and support the immune response
Lymph is the fluid within the lymphatic system that is filtered through lymph nodes for immune defense
The lymphatic system develops from the mesoderm and transitions to the adult pattern after birth
The circulatory system is crucial for overall health and its impairment can lead to cardiovascular diseases
Hypertension, atherosclerosis, heart attack, and stroke are examples of common circulatory system disorders
Maintaining a healthy diet, regular exercise, and avoiding smoking are essential for preventing and treating circulatory system disorders