CIE IGCSE Biology: 复习笔记:9.1.11 Circulation Around the Body

CIE IGCSE Biology: 复习笔记:9.1.11 Circulation Around the Body

Main Blood Vessels in the Body

  • Blood is carried away from the heart and towards organs in arteries
  • These narrow to arterioles and then capillaries as they pass through the organ
  • The capillaries widen to venules and finally veins as they move away from the organs
  • Veins carry blood back toward the heart

The circulatory system

Important Blood Vessels Table

转载自savemyexams

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