How does adrenaline act on the body?

Actions of Adrenaline
Heart
Cardiac Output = Heart rate X Stroke VolumeIncreases Total peripheral resistance = Increases Blood pressureOverall effect
Lungs  Dilation of bronchiolesIncrease in tidal volumeIncrease in breathing rate
Long term stress response
CTH -Corticotrophin Releasing Hormone (Hypothalamus)ACTH Adrenocorticotrophic Hormone (Anterior Pituitary gland)Cortisol (Adrenal Cortex)

AA
Answered by Ajit A. Biology tutor

3063 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe the main evolutionary trend in digestion across the phyla: Platyhelminthes, Chordata and Annelida


Some poisons work by interfering with synaptic transmission at a neuromuscular junction. Describe the events at a synapse which lead to an action potential.


Explain why the tidal volume and breathing rate increase over the course of a spirometer experiment?


Explain the series of events at a synapse between 2 neurons.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning