Cardiovascular System Flashcards
Types of circulation (4)
Closed
Open
Pulmonary
Systemic
Functions of bloods(6)
Exchange of respirators gases
Transportation of nutrients
Facilitates excretion of waste products
Transportation of specialized blood cells
Transportation of hormones of the endocrine glands
Facilitate countercurrent heat exchange
2 major components of blood
Plasma
Cellular components
Holds the blood cells in the whole blood suspension
Plasma
Serous membrane that partially surrounds the heart
Pericardium
Provides the lubrication for the heart during contraction
Pericardium
2 divisions of pericardium:
Visceral pericardium
Parietal pericardium
3 layers of heart
Epicardium
Myocardium
Endothelium
A condition due to reduced number of red blood cells or hemoglobin content in the blood
Anemia
A condition due to excessive red blood cells or circulating in the blood
Polycythemia
A condition associated with a decrease in the number of white blood cells
Leukopenia
A condition associated with an increase in the number of white blood cells
Leukocytosis
The blood clot attached to the interior wall of either a vein or an artery
Thrombus
The clot that is circulating in the blood
Embolus
Abnormally slow heartbeat
Bradycardia
Abnormally high heartbeat
Tachycardia
No heartbeat
Arrhythmia
Components transported in blood (6)
Respiratory gases
Nutrients
Waste products
Specialized blood cells
Hormones
Heat
Only 1% of the blood volume
White blood cells (leukocytes
Species with nucleated erythrocytes
Reptiles & amphibians
Avians
Teleosts (fish)
Species with enucleated erythrocytes
Cat
Dog
Human
Responsible for blood clotting
Platelets