Final answer:
The two principal blood vessels in the midline of a cat dissection are the brachiocephalic trunk and the aorta.
Step-by-step explanation:
The two principal blood vessels in the midline of a cat dissection are the brachiocephalic trunk and the aorta.
- The brachiocephalic trunk is a large artery that branches into the right subclavian artery and the right common carotid artery.
- The aorta is the main artery of the body that carries oxygenated blood from the heart to the rest of the body.