From course:
(Practice similar questions for free)
Biology - GCSE AQA - Combined Science - Higher
» Start this Course(Practice similar questions for free)
Question:
How does the skin work as the first line of defence?
Author: yxng.edxnAnswer:
It acts as a barrier to pathogens. It also secretes antimicrobial substances that kill pathogens.
0 / 5 Â (0 ratings)
1 answer(s) in total
Author
yxng.edxn