As she runs a race, Aggie's heart starts beating faster to help her body keep up with its increasing need for oxygen. Aggie can largely thank her _______ for this change.
A) forebrain
B) midbrain
C) hindbrain
D) hippocampus

Question

Quizplus · Accepted Answer

The hindbrain, which includes structures such as the medulla oblongata, plays a crucial role in regulating autonomic functions like heart rate. This is why Aggie's heart beats faster during a race, to meet the body's increased demand for oxygen.

As She Runs a Race, Aggie's Heart Starts Beating Faster