happygirl15 happygirl15

12-08-2021
Biology

contestada

Which structure represents the body's first line of defense against infection?
A. Thymus
B. Skin
C. Bone marrow
D. Tonsils

Respuesta :

dr84wybpty dr84wybpty

12-08-2021

The answer is A : Thymus

Answer Link

rthomas111 rthomas111

12-08-2021

The first line of defense for the body is the skin. It forms the layer that keeps external things out.

Answer Link

Otras preguntas

Who says the following and why? "We know all the pains that the Greeks and Trojans once endured on the spreading plain of Troy when the gods willed it so— all

Four friends were building a wall. matt built 2/8 of the wall. pat completed 1/8 of the wall. lucy built 2/8 of the wall. how much of the wall did they build?

A successful vintner may plant grapes in poor soil, deliberately stressing the grape vines, because stressed vines produce A. small grapes that are more tender

what is -3 (4n+2)=3N=

If you break quartz to learn if it splits smoothly in a certain direction, what physical property are you testing?

-8x=-2+2y ? standard slope form?

Which question should you Not ask during the revision process? A) is the form consistent? B) is the content clear? C) is my word choice appropriate? D) is my gr

Susana: Sí, y también Answer que desayunar a las siete. Margarita: ¿ Answer estamos en Cancun? Hola, Susana. Answer Pablo. ¿Qué tal? Y yo también...pero voy

Which function has the largest slope? A) y = 4x + 5 B) y = 3x + 25 C) y = 8x + 2 4 D) A function showing a rock collection growing by five rocks each day.

A package of paper weighs 3 1/3 ounces if paul put 3 5/6 packages of paper on a scale, how much would they weight