The list below includes all structural parts found in blood vessels. 1 collagen fibres 2 elastic fibres 3 endothelial cells 4 smooth muscle cells Which row indicates how these components are distributed in the different blood vessels?
- Aartery: 1, 2 and 4; vein: 1, 3 and 4
- Bartery: 2, 3 and 4; vein: 1, 3 and 4
- Cartery: 1, 2, 3 and 4; vein: 1, 2, 3 and 4
- Dartery: 1, 2, 3 and 4; vein: 2, 3 and 4