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

If you are completing a job application in person use what kind of writing utensil

FIRST PERON WHO ANSWERS THIS WILL BE BRAINLIEST! what does an open-ended question mean?

How scientists calculated earth mass?

(!!15 points!!) Find the measure of arc BDC

25 Points For this Question.

What is the equilibrium constant expression for the following reaction? COCl2(g) = CO(g) + Cl2(g) Keq=(COCl2)/(CO)+(Cl2) Keq= (CO)(Cl2)/(COCl2) Keq=(COCl2)/(CO)

How did Reagan end up influencing Soviet policy in the mid-1980s?

For quadrilateral abcd, determine the most precise name for it. A(-2,3),B(9,3),C(5,6)D(2,6). Show your work and explain.

Read the sentences. Grandma Ellis is a native of Ohio. She grew up during the Great Depression of the 1930s. Which sentence correctly combines these two sentenc

match the following actions with the system in which government performs them.