Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
New Topic  
2014Chevy 2014Chevy
wrote...
Posts: 201
Rep: 0 0
4 years ago
Which of the following is a specific defence mechanism?


acid secretions of the stomach


antibodies


mucus in the respiratory tract


skin
Textbook 
Biology: Exploring the Diversity of Life

Biology: Exploring the Diversity of Life


Edition: 4th
Authors:
Read 210 times
1 Reply
Replies
Answer verified by a subject expert
sdicris1828sdicris1828
wrote...
Posts: 102
Rep: 0 0
4 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

2014Chevy Author
wrote...

4 years ago
You make an excellent tutor!
wrote...

Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
wrote...

2 hours ago
Just got PERFECT on my quiz
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  437 People Browsing
Related Images
  
 254
  
 374
  
 255
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4

Previous poll results: What's your favorite math subject?