Question

During times of stress, Yanira notices that her heart pounds a little faster than normal. What part of the brain is responsible for her increased heart rate?

Answer 1

Medulla

Step-by-step explanation:

It is given that, During times of stress, Yanira notices that her heart pounds a little faster than normal.

The medulla is responsible for her increased heart rate. The medulla controls involuntary actions. For example, blinking of eyes, heartbeat, etc. It is is a part of hindbrain.

Human brain consists of three part of brain i.e. forebrain, midbrain and hindbrain.

The largest part of the brain is cerebrum. It controls the voluntary action i.e. emotions, control of movement.

Others parts of the human brain are pons, cerebellum etc.

Answer 2

The Medulla is the part of our brain that helps regulate our involuntary life sustaining functions like breathing, swallowing, and controlling our heart rate!!