Choose the statement that has the same meaning as the given one.
Fainting is caused by a sudden drop in the normal blood supply to the brain.
The brain faints when the normal blood supply drops.
Fainting occurs when the brain suddenly loses its normal blood supply.
Fainting happens when the brain gains its normal blood supply.
The blood reacts to a drop in the brain regularly.
The blood reacts to a drop in the normal blood supply to the heart.