rorarivera2000 rorarivera2000

02-06-2016
Biology

contestada

All of the following prevent pathogens from entering the human body except
a. red blood cells
b. tears
c. mucus
d. skin

Respuesta :

HaiHayley HaiHayley

02-06-2016

A. red blood cells. They carry oxygen around the body, not protect from pathogens.

Answer Link

Otras preguntas

Is the relation a function? If so why or why not? (-3,2) (-1,0) (1,0) (5,-2)

describe the structure of graphene

Which of these kinds of demographics would owners of a new fitness center probably be most interested in when examining target markets? education lifestyle mar

Pleaaaaseee help !!!!!

(~40 Points, Please answer and explain)-What is the order of increasing rate of effusion for the following gases? Ar, CO2, He, N2 (in the form of a<b<c<

help please thanks so much

A sample of a radioactive material decays over time. Please help!!!

Bobby biked 1 2/3 hours on Monday, 2 1/3 hours Tuesday, and 2 2/3 hours Wednesday. What is the total number hours Bobby spent biking.

Will give Brainliest if answer is correct. The Shea family had a large family garden for many years. Last spring they did not plant anything in their garden be

a function is defined by f(x)=5(2-x) what us f(-1)