White blood cells protect against
antibodies
⇒ pathogen, pathogens, virus, viruses, bacteria, chemical, chemicals, harmful, substance, substances and aid in blood clotting when injuries are sustained.

For each description below, select the correct white blood cell from the drop-down menu.

include T and B cells that are used to produce antibodies against antigens and destroy pathogens that enter the body.

engulf, destroy, and digest pathogens such as bacteria in the body.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

b) the inside picture would look at a very high temperature in a very low ph

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.