Biology

Biology, 01.10.2019 21:30, ilovevegene

Which of the following are part of the body’s first line of defense against pathogens?

a. white blood cells

b. red blood cells

c. lymph nodes

d. mucous membranes

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Health, 27.07.2019 21:00, briashia

1) which of the following is not an example of the body’s first line of defense against infection? a) skin b) the lining of the digestive tract c) the lining of the respiratory tract d) white blood cells 2) the body's third line of defense against pathogens includes a) fever. b) inflammation. c) antibodies. d) the skin. 3) mucous membranes are present in all of the following areas of the body except: a) digestive tract b) surface of the skin c) mouth. d) lungs. 4) how do moderate fevers (below 39°c or 103°f) fight infection? a)fevers damage amino acids and proteins. b)fevers prevent the growth of pathogens. c)fevers are part of the third line of defense. d)fevers inhibit cell division in red blood cells. 5) which of the following is not a part of the inflammatory response? a) it occurs when body tissue is injured. b) blood flow to the area decreases. c) white blood cells (phagocytes) “eat” invading pathogens. d) red blood vessels dilate. 6) which of the following engulfs pathogens or an invading virus or bacteria. a) t cell b) b cell c) macrophage d) red blood cell 7) mucous membranes a) cover or line external surface of body. b) line internal body surfaces that are in contact with the environment. c) produce antibodies to combat infection. d) secrete sweat, which has antibacterial enzymes. 8) which of the following is a nonspecific defense against pathogens? a) b cells b) antibodies c) t-cells d) inflammation 9) which of the following is not a function of the skin? a) protects the body b) sensitive to temperature changes c) regulate body temperature d) produces of gametes

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Health, 28.07.2019 01:30, sonnyboi2305

1) which of the following is not an example of the body’s first line of defense against infection? a) skin b) the lining of the digestive tract c) the lining of the respiratory tract d) white blood cells 2) the body's third line of defense against pathogens includes a) fever. b) inflammation. c) antibodies. d) the skin. 3) mucous membranes are present in all of the following areas of the body except: a) digestive tract. b) surface of the skin. c) mouth. d) lungs. 4) how do moderate fevers (below 39°c or 103°f) fight infection? a)fevers damage amino acids and proteins. b)fevers prevent the growth of pathogens. c)fevers are part of the third line of defense. d)fevers inhibit cell division in red blood cells. 5) which of the following is not a part of the inflammatory response? a) it occurs when body tissue is injured. b) blood flow to the area decreases. c) white blood cells (phagocytes) “eat” invading pathogens. d) red blood vessels dilate. 6) which of the following engulfs pathogens or an invading virus or bacteria. a) t cell b) b cell c) macrophage d) red blood cel 7) mucous membranes a) cover or line external surface of body. b) line internal body surfaces that are in contact with the environment. c) produce antibodies to combat infection. d) secrete sweat, which has antibacterial enzymes. 8) which of the following is a nonspecific defense against pathogens? a) b cells b) antibodies c) t-cells d) inflammation 9) which of the following is not a function of the skin? a) protects the body b) sensitive to temperature changes c) regulate body temperature d) produces of gametes

Answers: 2

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Biology, 28.08.2019 16:30, sash0924

Which of the following are part of the body s first line of defense against pathogens? a. white blood cells b. red blood cells c. lymph nodes d. mucous membranes

Answers: 1

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Biology, 26.09.2019 12:30, mirmir62

Which of the following are part of the body’s first line of defense against pathogens? a.white blood cells b.red blood cells c.lymph nodes d.mucous membranes

Answers: 1

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