dhdhdjdidiskwkejejrh dhdhdjdidiskwkejejrh
  • 11-09-2020
  • Biology
contestada

which of the following are protective barriers that are part of the body's immune system​

Respuesta :

nobodylol74
nobodylol74 nobodylol74
  • 11-09-2020
The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.
Answer Link

Otras preguntas

which forces are interacting when a bowling ball is pick up ? a.gravity b.inertia c.apull d.all of these
"Greensleeves" is another name for what Christmas song?
A 200 kg object is going 4m/s. Find its kinetic energy
During the 1920s, the United States economy moved through which phase of the business cycle? a. expansion c. contraction b. peak d. trough
why was the magna carta an important document?
What scientists do that is the basis of their investigations
I am between 24 and 34 . you say my name when you count by twos from zero. you say my name when you count by fives from zero. what number am I?
1. An airline knows that only about 75% of those who make a reservation actually buy a ticket. At this rate, how many reservations should the airline accept to
Damon has 5 dimes and some nickles in his pocket, worth a total of $1.20. To find the amount of nickles he wrote an equation 5n+ 50 = 1.20 Find all the errors
Explain how ancient Egypt was isolated from other cultures by natural border