Which pair of vessels supplies oxygenated blood to the brain?
A) Internal and external jugular veins
B) Carotid and vertebral arteries
C) Internal and external carotid arteries
D) Subclavian and spinal arteries
Answer: B
Which pair of vessels supplies oxygenated blood to the brain?
A) Internal and external jugular veins
B) Carotid and vertebral arteries
C) Internal and external carotid arteries
D) Subclavian and spinal arteries
Answer: B