Heart and lungs

Question 1

11, 12

Answer 1

Right artium and ventricle (11+12)  receives blood from the vena cave (20) (RA) and pumps blood to lungs via pulmonary trunk/artery (19)

Question 2

13 , 14

Answer 2

Left atrium and ventricle (13+14)  receives blood from the pulmonary vein (LA) and pumps blood to rest of body via aorta (18)

Question 3

15, 16

Answer 3

Atrioventricular valves (15+16)  separates atria from ventricles, bicuspid valve (16) on the left, tricuspid valve (15) on the right

Question 4

21

Answer 4

Right lung  contains three lobes

Question 5

22 , 23

Answer 5

Left lung  contains two lobes and the cardiac notch (23)

Question 6

24

Answer 6

Diaphragm  major muscle involved in breathing