Circulatory System Study Guide

The three pathways of circulation

Systemic, coronary, and pulmonary.

Three main organs of the lymphatic system

 thymus, spleen, tonsils

Type O-

 blood is universal donor

Type AB+

 blood is universal recipient

Capillaries

connect veins to arteries and are microscopic blood vessels

The four chambers of the heart

Left and Right Atriums, Left and Right Ventricles

Blood pressure

 is measured in arteries and blood is taken from a vein

Atherosclerosis

 is fat build up in the arteries 

what is RBC?

it contains hemoglobin and carry oxygen,

The four blood types

• A, B, AB, and O

Veins

carry blood to the heart

 arteries

 carry blood away from the heart

Antibodies

•  are made against a certain blood type

Antigens

are identification tags that are on red blood cells

Hypertension

• high blood pressure

Cardiac muscle

• makes up the heart

what is WBC (white blood cells)

WBC’s fight infection,

what are platelets?

platelets clot blood,

plasma

contains nutrients, hormones, & salt