Chapter 13- Blood

Question 1

antibody

Answer 1

Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses

Question 2

antigen

Answer 2

A foreign substance that is recognized by the immune system as non-self and needs to be destroyed

Question 3

blood

Answer 3

A form of liquid body tissue that has many functions in the body such as transporting oxygen and nutrients to the tissue fluid surrounding cells, carrying away carbon dioxide and other cellular waste products and balancing fluid levels, body temperature, ion concentrations, and pH within the body

Question 4

hemoglobin

Answer 4

A blood buffer that picks up or releases hydrogen ions

Question 5

plasma

Answer 5

The liquid portion of the blood; mainly consists of water; 7% to 8% of plasma consists of proteins

Question 6

plasma proteins

Answer 6

Proteins present in blood plasma. They serve many different functions and include proteins such as albumin, antibodies and fibrinogen

Question 7

platelets (thrombocytes)

Answer 7

Cell fragments that break away from larger cells in the red bone marrow involved in blood clotting following tissue injury

Question 8

red blood cells (erythrocytes)

Answer 8

Carry oxygen from the lungs and deliver it to the body tissues in the capillaries

Question 9

white blood cells (leukocytes)

Answer 9

Involved in protecting the body against both infectious disease and foreign invaders