BiggestBoyBrain BiggestBoyBrain

01-03-2020
Geography

contestada

which statement describes many of the structures involved in the first line of defense of the immune system
sorry not geography lol

Respuesta :

masterdestroyer27 masterdestroyer27

01-03-2020

Answer: physical and chemical barriers

Explanation:

physical and chemical barriers try to prevent pathogens from getting inside the body

Answer Link

Ashleydarkwolfa Ashleydarkwolfa

25-09-2020

Answer: They have contact with the external environment.

(I took a test over this and got this question right)

Answer Link

Otras preguntas

Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?

What is the equation of a circle with center (-3,-1) that contains the point (1,2)?

In which situations is work being done? Hannah leans against her locker, but it doesn’t move. Andy’s car rolls down a hill with the engine off. A wind turbine s

In what ways was racism common in both north and the south

Which of these sentences is always true for a parallelogram?A.All sides are congruent.B. All angles are congruent.c.The diagonals are congruent.D. Opposite angl

i need help REAL fast

Justin is married with one child. He works 40 hours each week at a rate of $16 per hour. His wife began working part time after their daughter was born, but sti

How does the primary transcript in a prokaryotic cell compare to the functional mrna?

What percent is equivalent to 1/20 ? 5% 6% 20% 25%

Please help and thank you