autumnmosley1245 autumnmosley1245
  • 24-06-2020
  • Biology
contestada

The first line of defense involves which structure(s)?
O T-cells
O skin
O blood
O B-cells
Mark this andretum
Next
Submit

Respuesta :

laceebarfield25 laceebarfield25
  • 24-06-2020

Answer:

skin.

Explanation:

the first line of defense uses physical parts such as skin.

Answer Link

Otras preguntas

Which expression is equivalent to 6a + 15? A. 6(a + 5) B. 3(2a + 5) C. 3(3a + 12) D. 6(a + 12) PLEASE HELP :)
Which of the following has the highest pH? 0.10 M NaCl 0.10 M HCl 0.10 M NaOH 0.10 M NaNO2
When a phase change of a substance occurs what happens to the temperature of the substance? A) It goes up. B) It goes down. C) It does not change. D) It chan
The Bill of Rights protects all citizens from answering questions that make them appear guilty paying a tax before voting on Election Day being denied a well-pa
Indicate the metric unit for: a) mass, b) length, and c) volume
How did the emancipation proclamation change the focus of the war
1.the tornado precluded our trip to the zoo? a. interrupted b. enlivened c. endangered d. made impossible-my answer 2. which of the following best describes the
Which best describes Hadrian's beliefs? (4 points) He wanted to conquer as many lands as possible. He believed building roads and waterways was a waste of money
25. Which of the following is an objective case personal pronoun? I she they them 26. Which of these is a possessive case personal pronoun? I my you they 27. Wh
which came first? Hamlet or Macbeth?