carolynwright2pc6d46 carolynwright2pc6d46

20-07-2018
Biology

contestada

The immune system produces ______ against specific pathogens.
a) antigens

b) red blood cells

c) antibodies

d) one of the above

Respuesta :

BiologiaMagister BiologiaMagister

20-07-2018

White blood cells are cells found in blood that "fight" pathogens when they enter your body (when they manage to go trough your skin).

Answer: D. none of the above.

Hope it helped,

Happy homework/ study/ exam!

Answer Link

Otras preguntas

Can anyone help me solve this system of equation by elimination? 5x+4y=-30 3x-9y=-18

given f(t)=t to the power of 4 +t² -5, find the value of f(b) - f(-b)

Is it possible to construct a triangle with side lengths of 6 cm, 11 cm, and 13 cm?

Sam is 5 years old. His older brother, Tom, is three times as old as Sam. When Sam is 20, how old will Tom be?

If x = 30 degree, then which expression is equivalent to 1/2? a. -sin x b. sin x c. -cot x d. cot x

Four books, one each on physics, chemistry, mathematics, and biology are about to be stacked on a shelf. If the books are stacked randomly, what is the probabil

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale

The measure of one angle of a parallelogram is 40 more than 3 times another. Find the measure of each angle.

find value of x and y 2.) 4x+13y=40 4x+3y=-40

INSERT TWO RATIONAL NUMBERS BETWEEN 2 AND 3. How to find them?