Simple Description

A hormone released as part of the 'fight or flight' response in mammals.

Further Detail

Adrenaline is a hormone that travels in the blood and has a wide range of effects on multiple target tissues. Some of the effects include increased heart rate, pupil dilation, increased blood flow to skeletal muscles. It is secreted by the adrenal gland.

Related Words:

• Hormone
• Adrenal gland

« Previous Word Next Word »

---