صفحة 72 - كتاب الإسعافات الأولية - الصف 12 - الفصل 1 - المملكة العربية السعودية

الهدف الرابع

التمييز بين أجزاء الجهاز الدوري ووظائفه.

يتكون الجهاز الدوري من:

1. القلب 2. الدم 3. الأوعية الدموية

شكل (2-11): مكونات الجهاز الدوري

وزارة التعليم Ministry of Education 2025 - 1447

72

الهدف الرابع التمييز بين أجزاء الجهاز الدوري ووظائفه. يتكون الجهاز الدوري من: 1. القلب 2. الدم 3. الأوعية الدموية شكل (2-11): مكونات الجهاز الدوري وزارة التعليم Ministry of Education 2025 - 1447 72 --- VISUAL CONTEXT --- **DIAGRAM**: مكونات الجهاز الدوري Description: A detailed diagram illustrating the human circulatory system. The main figure shows a full human body with major arteries (red) and veins (blue) branching throughout, originating from and returning to the heart. An enlarged, detailed view of the heart is shown to the right of the main figure. An inset magnification on the left side shows a capillary bed, illustrating the transition from a small artery (arteriole) to capillaries and then to a small vein (venule). X-axis: N/A Y-axis: N/A Data: The diagram visually represents the network of blood vessels and the central role of the heart in circulating blood throughout the human body. Arteries are depicted in red, indicating oxygenated blood flowing away from the heart, while veins are in blue, indicating deoxygenated blood returning to the heart. The magnified inset shows the microscopic exchange network of capillaries connecting arterioles and venules. Context: This diagram serves to illustrate the components and overall structure of the human circulatory system, supporting the learning objective of distinguishing its parts and functions.