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IB SEHS Topic 2 Study Guide Verified Solutions
IB SEHS Topic 2 Study Guide Verified Solutions 
List the pathway of blood in your heart ️1) Superior vena cava 
2) Inferior Vena cava 
3) Right atrium 
4) Tricuspid valve 
5) right ventricle 
6) pulmonary artery 
7) lung cappilaries 
8) pulmonary vein 
9) left atrium 
10) mitral valve 
11) left ventricle 
12) aorta 
Describe what happens when you inhale: ️ribs push outward and diaphragm downward to make the 
chest cavity larger so the lungs can inflate; the pressure around the ...