Circulatory & Digestive System Flashcards
The three types of body fluids are
blood, lymph and tissue fluid
The 2 main components of blood are
plasma and blood cells
Erythrocytes, also known as
red blood cells carry oxygen
also known as white blood cells defend the body from pathogens
Leukoctes
also known as platelets initiate the clotting reaction
Throbocytes
Our innate defenses are
inborn and give us general protection from pathogens
Our adaptive defense
target specific pathogens that we encounter in life
The blood vascular system consists of
heart,
arteries,
veins
capillaries
The lymph vascular system consists of
lymph vessels, lymph nodes, tonsils, thymus spleen
convey blood away rom the heart
Arteries
convey blood towards the heart
Veins
Veins and arteries are connected by a network of microscopic blood vessels called
capillaries
Pulmonary circulation is
the flow of blood from the heart to the lungs and back to the heart
Systemic circulation is
the flow of blood from the heart, through the body in general and back to the heart.
what is the longest vein in the body
The great saphenous vein
Lymph nodes are
pea-sized pellets along lymph vessels
what is hardest substance in the body
Enamel
Enamel covers?
the crown of the tooth
what is is at the entrance of the stomach
The esophageal sphincter
what is at the exit of the stomach
pyloric sphincter
small intestines consist of
duodenum
jejunum
ileum
lathe intestines consists of
cecum
colon
rectum
colon consists of
ascending colon
transvers colon
descending colon
sigmoid colon
Peristalsis is
the rhythmic contractions of the muscles in the walls of the stomach small intestines and large intestines.