contrerassharon21 contrerassharon21
  • 24-04-2020
  • Biology
contestada

Which statement describes many of the structures involved in the first line of defense of the immune system?

Respuesta :

paytonnn05
paytonnn05 paytonnn05
  • 24-04-2020

Answer:

They have contact with the external environment.

Explanation:

Answer Link
alyssacolon33
alyssacolon33 alyssacolon33
  • 29-04-2020

Answer: They have contact with the external environment.

Explanation: it good

Answer Link

Otras preguntas

Find the GCF of the given polynomial. 16a4b4 + 32a3b5 - 48a2b6
Where are my farming be easiest in the western region and why
How is mass connected to matter?
Explain how to compare numbers using place value ?
27 thousand 3 hundred 5 ones
Which of the following expressions represents a function? {(1, 2), (4, –2), (8, 3), (9, –3)} y2 = 16 − x2 2x2 + y2 = 5x = 7
What is the greatest whole number that rounds to the number 277,300 (round to the nearest hundreds)?
60 is what percent of 72
34258 vavle you of 4
How many kilometers are in 2 meters and in 13 meters