LECTURE 1 blood (connective tissue type)

Question 1

blood functions (3)

Answer 1

transports waste, gases, nutrients, hormones through cardiovascular system; helps regulate body temperature; protects body by fighting infection

Question 2

qualities of blood

Answer 2

derived from mesenchyme, fluid matrix (plasma mostly made of water), no fibers

Question 3

hematophoiesis

Answer 3

production of blood cells, occurs in bone marrow

Question 4

formed elements of blood (3)

Answer 4

erythrocytes, leukocytes, platelets

Question 5

erythrocytes

Answer 5

red blood cells, small oxygen transporting cells, most abundant in blood, no organelles, filled with hemoglobin, pick up oxygen at lungs and transport to rest of body

Question 6

leukocytes

Answer 6

white blood cells, complete cells, fight against infectious disease, larger than RBC

Question 7

platelets

Answer 7

thrombocytes (not cells), fragments of cytoplasm, plug small tears in vessel walls, initiates clotting, more present in blood than WBC but less present than RBC