heart and blood questions

accounts for 55% of blood volume?

acellular plasma

accounts for 45% of blood volume?

cellular components

how long do erythrocytes survive?

120 days

what formed element accounts for more than 44% of blood volume?

erythrocytes

what two formed elements account for less than 1% of blood volume?

leukocytes and thrombocytes

what is the indention found on mature erythrocytes?

biconcave discs

what is the binding molecule found on erythrocytes?

hemoglobin

what are the two types of non-granular leukocytes?

monocyte and lymphocyte

blood is classified as what type of tissue?

connective tissue

what percent of leukocytes are monocytes?

3-8

what type of cell do monocytes differentiate into?

macrophages

what function do macrophages carry out?

phagocytosis

what percent of leukocytes are lymphocytes?

25-45

lymphocytes facilitate mediation and recognition of specific elements known as?

antigens

what function do neutrophils most often serve?

phagocytosis

during phagocytosis what antigen is usually begin attacked?

bacteria

what percent of leukocytes are eosinophils?

2-4

eosinophils serve what two major purposes?

allergic reactions and fighting parasitic infections

what percent of leukocytes are neutrophils?

50-70

what main hormones are released by basophils?

histamine and heparin

what percent of leukocytes are basophils?

0.5-1

what is the other name for right AV?

tricuspid valve

what are the two other names for left AV?

mitral valve and bicuspid valve