Match each item with its definition or description.

 Match each item with its definition or description. Note that not all possible answers will be used.

 

Tissue

Organ

     

Red blood cells

 D

White blood cell

     

Platelets

   

Pathogens

   

Autoimmune disease

 

Allergy

Antigens

C

Systole

A.

Material in the body that is made up of similar cell types that perform a common function

B.

Molecules that are foreign to the host and stimulate the immune system to react

C.

Contraction phase of the cardiac cycle

D.

Part of the immune system; works to fight infection

E.

Relaxation phase of the cardiac cycle

F.

Cell fragments that prevent blood loss by using proteins to make clots

G.

Structure composed of two or more tissues packaged together that work together to produce a specific function

H.

Infectious, disease-causing organisms

I.

Situation causing a person's immune system to attack his or her own cells

J.

Damaging immune response when no pathogens are present

K.

Infection caused by a virus

L.

Contain hemoglobin that carries oxygen throughout the body

QUESTION 19

Put these terms in order beginning with the smallest and least organized and ending with the largest and most organized.

         -         1.         2.         3.         4.         5.         6.         

Cell

         -         1.         2.         3.         4.         5.         6.         

Organism

         -         1.         2.         3.         4.         5.         6.         

Organelle

         -         1.         2.         3.         4.         5.         6.         

System

         -         1.         2.         3.         4.         5.         6.         

Tissue

         -         1.         2.         3.         4.         5.         6.         

Organ