The Head of a Giraffe is 5 Meters Above Its

Question

The head of a giraffe is 5 meters above its heart. Compared to humans, giraffes have
A) less blood volume.
B) veins of smaller diameter.
C) lower systolic blood pressure.
D) higher systolic blood pressure.

Accepted Answer

Giraffes have higher systolic blood pressure to ensure that blood can be pumped effectively from the heart to the head, which is elevated significantly above the heart.