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

Maric mailed 9 letters at the post office . each letter weighed 3.5 ounces. What was the total weightof the letters?

12. The source of the sun's heat is

2. Wandabaked168cookies,packagedtheminboxesof12,andsoldeachboxfor $1.20. How many boxes of 12 can be packaged if there are 168 cookies? What was the total amoun

Pete is a life agent who has misappropriated fiduciary funds to his own use. what is pete guilty of?

Many people use alcohol__________ A. To improve driving skills B. For a balanced diet C. To deal with stress D. For a better perception while driving

What kind of lipid forms when a glycerol combines with fatty acids through dehydration synthesis?

the summary of house call

For each of the following sentences, tell whether the verb is in the active or passive voice and state the tense of the verb. a. The campers enjoyed the scary

Find the volume for the regular pyramid. Hexagonal height of 6 and sides of 4

. The total cost of gasoline varies directly with the number of gallons purchased. Gas costs $1.77 per gallon. Write a direct variation to model the total cost