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
国际竞赛真题资料-点击免费领取！
早鸟钜惠！翰林2025暑期班课上线
美高学分项目重磅来袭！立即了解
