List the blood vessels that a drop of blood will pass through as it leaves the head and travels towards the heart: 1. External jugular vein 2. Precava 3. Subclavian vein 4. Brachiocephalic vein
A) 1, 3, 4, 2
B) 1, 2, 3, 4
C) 1, 4, 2, 3
D) 1, 4, 3, 2
A
Explanation:
B) The external jugular veins (1 ) drain each side of the head then merge with the subclavian veins (3 ) to form the brachiocephalic vein (4 ). The brachiocephalic veins unite as the precava (2 ).
C) The external jugular veins (1 ) drain each side of the head then merge with the subclavian veins (3 ) to form the brachiocephalic vein (4 ). The brachiocephalic veins unite as the precava (2 ).
D) The external jugular veins (1 ) drain each side of the head then merge with the subclavian veins (3 ) to form the brachiocephalic vein (4 ). The brachiocephalic veins unite as the precava (2 ).
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