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Summary - Life Sciences (Biology)

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Summary - Life Sciences (Biology)

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this pdf document gives a simple summary about the cardiovascular system instead of going through your textbook

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Human Cardiovascular System – Life Sciences /
Biology (Medical Students)
Overview
The cardiovascular system transports blood, nutrients, oxygen, carbon dioxide, and hormones
throughout the body.

Key Functions: - Oxygen delivery to tissues - Carbon dioxide removal - Nutrient and hormone distribution -
Immune response support - Thermoregulation

Heart Anatomy
• Atrium (left & right): receives blood from veins
• Ventricle (left & right): pumps blood to arteries
• Valves: ensure unidirectional flow
• Tricuspid (right AV)
• Mitral / Bicuspid (left AV)
• Pulmonary valve
• Aortic valve
• Coronary arteries: supply myocardium
• Pericardium: protective sac around the heart

Diagram: Human Heart

• [Insert professional diagram here] showing: atria, ventricles, major vessels, and valves
• Color code: oxygenated (red), deoxygenated (blue)

Blood Vessels
• Arteries: carry blood away from the heart; thick walls for high pressure
• Veins: carry blood to the heart; valves prevent backflow
• Capillaries: thin walls; allow gas and nutrient exchange

Blood Composition
• Red Blood Cells (RBCs): transport oxygen
• White Blood Cells (WBCs): immune defense
• Platelets: blood clotting
• Plasma: water, proteins, nutrients, hormones

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Schooljaar: 201
Uploaded on: December 15, 2025
Number of pages: 2
Written in: 2025/2026
Type: Summary

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