Give two examples of physical or chemical barriers of defence against pathogens found inhumans.

Skin, mucosal lining, stomach acid

Answered by Biology tutor

2070 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Synapses are an important part of the nervous system. What is a synapse? Describe how information passes through a synapse.


What is the difference between simple diffusion and active transport?


Give the full balanced symbol and word equation for aerobic respiration


Describe how different environmental factors affect the direction of growth of roots and shoots making reference to plant hormones


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