Biology, asked by rtharanika2004, 8 months ago

4
(a) Explain how the human gas exchange system is protected against pathogens.

Answers

Answered by tasneem139

2

Answer:

Mucus

Explanation:

Mucus traps pathogens

Previous Question

Next Question

Similar questions

Hindi, 4 months ago

chehra samanarhi shabd...

Math, 4 months ago

3-4x-4x² bataoo please free trade...

Math, 4 months ago

1. multiply 6/13 by the reciporcal of -7/16...

Chemistry, 8 months ago

What is the advantage of modern agriculture implements over traditional ones?

Math, 8 months ago

solve the equations. A.7+2p=11 B.12-m/4=4...

India Languages, 11 months ago

nibandha on nisag in Marathi ...

Math, 11 months ago

the parking charge of a car in parking lot Rs.30 for first two hours and Rs.10 for subsequent hours. taking total parking time be x hour and total charge as Rs.y , write a liner equation in two variable to express the statement??

Physics, 11 months ago

want answer with explaination.... plzzzz tomorrow is my exam.......