sethhdoty sethhdoty
  • 04-08-2018
  • Biology
contestada

Which of the following is a surface barrier to infection?

skin
antibodies
antigens
lymph nodes

Respuesta :

averyverydumbguy
averyverydumbguy averyverydumbguy
  • 04-08-2018

the answer is >skin< antibodies are used to combat infection

Answer Link
grams00
grams00 grams00
  • 23-12-2020

Answer:

SKIN.

is your answer

Answer Link

Otras preguntas

4. The figure represents a ramp. Find the height of the ramp. a. /2 m b. 2 m c. 4 m d. 8 m
Which term describes all scavengers? A. consumer B. producer C. herbivore D. omnivore
Which of the following organisms is the most harmful to the tree it grows on? a. strangler fig b. orchid c. Spanish moss d. none of the above
the school is 2 kilometers away from the town library what is the distance in meters
1. Which line models the data points better and why? blue, because it's longer blue, because the data points are all close to the line red, because it goes thro
Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4^x and y = 2^x + 2 intersect are the solutions of the equation 4^x =
evaluate: |4 - 8(3 - 12)| - |5 - 11| =
How do geographers use technology to study the earth?
Which of the following is a behavioral adaptation of the Venus fly trap? A. leaves that close when touched B. leaves that perform photosynthesis C. roots th
Are "most" and "few" descriptive words?