Answer:
b
Explanation:
blurry vision, headaches, bleeding
Answer:
The B lymphocytes (or B-cells) create antibodies and alert the T lymphocytes (or T-cells) to kill the pathogens. White blood cells are a part of the lymphatic system, a network of lymph vessels that collect excess fluids from tissues throughout the body and then return to your bloodstream.
Explanation:
D (I’m not quite sure but please try putting that as an answer)
The kingdom of England emerged from the gradual unification of the early medieval Anglo-Saxon kingdoms known as the Heptarchy: East Anglia, Mercia, Northumbria, Kent, Essex, Sussex, and Wessex.
