Question

Identify three types of barriers in the body’s first line of defense. Give an example of each type of barrier.

Answer 1

@KendrickLamar2014

Answer 2

1) Physical (skin and mucous membranes) and chemical barriers that prevent entry by pathogens,
2) Nonspecific defensive cells (phagocytes, eosinophils,white blood cells, and natural killer cells) and proteins (interferons and complement system), inflammation and fever, and3) The immune system that has specific targets and memory.(lymphatic system-recognition of foreign cells) The Human Body's 3 lines of defense 1.) Integumentary System-skin and accessory organs such as hair, nails, sweat glands, and oil glands 2.) Circulatory System-heart,arteries,veins,capillaries, and blood 3.) Lyphatic and Immune Systems-Thymus, bone marrow, spleen, tonsils, lymph nodes, lymph capillaries, lymph vessels, lymphocytes, and lymph.

Answer 3

Thank you sooo much @KendrickLamar2014 !

Answer 4

No Problem

Answer 5

yup

Answer 6

I see lol...

Answer 7

yah

Answer 8

As I could not send u may I had to write in this manner....Thank u for informing...d questions has been deleted...and proper action has been taken...Thank u for u r help again...:)