sandra783206 sandra783206

27-01-2021
Health

contestada

1. Which one of the following elements is considered as part of the first line of defense against microorganisms invading a body?

A. Vaccine
B. Saliva
C. Antibodies
D. White blood cells

Respuesta :

eichmansamantha5 eichmansamantha5

27-01-2021

White blood cells would be your answer

Answer Link

thegr8aaliyah thegr8aaliyah

27-01-2021

C.White blood cells

The immune system comprises three levels of defense mechanism that a pathogen needs to cross to develop infection inside the body.

Answer Link

Otras preguntas

HELP pls will mark you the brainliest

What makes separating the nails a fairly easy job? aluminum is heavier and iron is lighter. Iron settles in water, while aluminum floats. Aluminum is magnetic,

big yellow company manufactures wooden wagons. to manufacture a wagon, it takes 10 units of wood and 1 unit of steel. scheduled production of wagons for the nex

60 points!! Look at picture please don’t troll

What is the name of Christmas plant?

Question:cells that form most tissues and organs in a organism

She certainly hasn't done anything that............. that cruel punishment. a) reserved b) deserved c) observed d) reversed

If it takes 5 beers 5 hours to make 5 muffins. How long would it take 100 bakes to make 100 muffins.

How quickly do Christmas trees grow?

How do geographic factors, such as location, distance, and accessibility, affect the interactions and relationships among different regions and countries?