v9ens8tepheberrelF v9ens8tepheberrelF
  • 01-03-2017
  • Biology
contestada

Which of the following provides a first line of defense against pathogens?

Respuesta :

Аноним Аноним
  • 03-03-2017
The first line of defense against disease is intact skin and mucous membranes. If an antigen (pathogen) cannot enter the body, a secondary defense is unnecessary.
Answer Link

Otras preguntas

Please help with this. Thanks I need to find the degree
(a) Pablo runs 8 miles in 72 minutes. How many minutes does he take per mile? minutes per mile (b) At Cheng's Bike Rentals, it costs $23 to rent a bike for 4 ho
Applying Context to Ideas A sudden gust muffled the voices below, then picked up into a steady wind. It took hold of my T-shirt and whistled through the to
AYUDAAAAAAAAAAA por favorrrr
My Classes MULTIPLE CHOICE QUESTION Which two reactions are opposites of each other?
Make a set of numbers that use all the digits from 1 to 9, once and once only.1, 2, 3, 4, 5, 6, 7, 8, 9.
Find the given limit. If the limit does not exist, put "D​
How does the film ‘hidden figures’ represent discrimination?
What is the value of mza+mZb?a124°O345690°180°om​
Solve solve solve solve please