Answer:
Explanation:
Superior/Inferior Vena cava-----------Right Atrium ---------Tricuspid valve ------right ventricle -------pulmonary semi-lunar valve------pulmonary trunk-----------pulmonary arteries --------lung capillaries -------- pulmonary veins --------left atrium -------mitral valve --------left ventricle ------- aortic semi-lunar valve -------aorta --------- tissues of body ------------superior and inferior vena cava.
Answer: 1. There are three main types of conjunctivitis: allergic, infectious, and chemical.
2. Brush twice a day, Use fluoride toothpaste, and Floss.
Hey there i would say <span>False</span>
<span>B cells recognize their specific antigen on the surface of the invading pathogen or recognize toxins secreted by pathogens. Then, some B cells clone into memory B cells, while others multiply as plasma cells, which generate antibodies that bind to pathogens and block them from entering your healthy cells.</span>
