Describe how blood vessels are able to assist in the control of body temperature.

If body temperature is too high:

Capillaries dilate, increasing the blood supply to the skin and allowing heat to be lost from the body by radiation.

 

If body temperature is too low: 

Capillaries constrict, reducing blood flow to the surface of the skin and so heat loss by radiation is minimised.

MW
Answered by Merrin W. Biology tutor

3799 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

How do bacteria become resistant to antibiotics?


Explain the process of osmosis and give an example of where this occurs (5 marks).


What is a proposed model for enzyme activity?


Why might a person with coeliac disease have poor growth?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences