A hormone that increases heart rate,blood pressure,and blood sugar levels in times of emergency is

A) serotonin.
B) epinephrine.
C) testosterone.
D) insulin.

Blood Pressure

The force exerted by circulating blood on the walls of the body's arteries, a critical indicator of cardiovascular health.

Epinephrine

Also known as adrenaline, a hormone and medication produced by both the adrenal glands and certain neurons, which plays a key role in the body's fight-or-flight response by increasing blood flow to muscles, output of the heart, pupil dilation, and blood sugar.

Heart Rate

The number of heartbeats per unit of time, typically measured in beats per minute (bpm).