1
Controls circulation of blood and lymph
circulatory (vascular) system
cone shaped muscular organ the size of a closed fist Contracts and relaxes to move blood
heart
membrane that encases the heart
pericardium
the average resting heart rate is ___to ___beats per minute
60 to 100
sticky, salty fluid that circulates to carry nourishment and oxygen to body parts and carries toxins and waste products to liver and kidneys
blood
erythrocytes or red corpuscles, carry oxygen and contain hemoglobin, oxygenation is when hemoglobin attracts oxygen: when oxygen is low, blood is deep scarlet red
red blood cells
Leukocytes or white corpuscles: fight bacteria and other foreign substances: increase in number when infection invades the body
white blood cells
thrombocytes: responsible for clotting blood
blood platelets
fluid part of blood: 90 percent water: carries RBCs and WBCs and blood platelets through the body
plasma
Take nutrients and oxygen from arteries to cells
capillaries
Tubular, elastic, thick walled , carry blood from heart, carry pure blood
Arteries
Tubular, elastic, thin walled, carry blood to heart, carry impure blood , valves prevent backflow, closer to surface than veins
veins
supplies blood to the face and neck
located either side of the neck
splits into internal and external carotid
arteries and veins of the face, head and neck
picks up and returns leaked tissue fluid and plasma proteins to cardiovascular system
transports nourishment from the blood, carries away products of metabolism and chemical change, helps maintain fluid balance, distributes germ - fighting white blood cells to help develop immunity
lymph-vascular system (lymphatic system)
Colorless liquid that travels through the lymph vessels, by product of plasma passing nourishment to capillaries and cells
lymph
filters foreign particles from the lymph vessels, swollen or tender lymph nodes indicate infection
lymph nodes
a subsystem of the circulatory system responsible for distributing white blood cells to help develop immunity is known as the
lymph-vascular system
which artery supplies blood to the crown and sides of the head
parietal
which artery supplies blood to the lower portion of the face, including the mouth and nose
external maxillary
the occipital artery supplies blood to the
back of the head
the process of blood traveling from the heart, throughout the body and back tot he heart is called
general circulation
cells that fight bacteria and other foreign substances are called leukocytes or
white blood cells
what is another name for red blood cells
erythrocytes
the body system responsible for circulation of the blood, including the heart, arteries, veins and capillaries is called the
cardiovascular system
which artery supplies blood to the lower portion of the face, including the mouth and nose
external maxillary