Circulation Flashcards
Plasma contains?
proteins, blood clotting factors, dissolved ions, wastes, dissolved gases, glucose and cholesterol
What cells are
erythrocytes, platelets, leucocytes
Blood cells are made in the
What are the stem cells called that make red blood cells from stem cells by the process known as hemopoiesis (in active bone marrow).
Hemocytoblasts
What is the sequence of events called that lead to of blood clotting
Hemostasis
What is the process of bleeding called
hemorrhage
Process of blood coagulation
Thrombin transforms fibrinogen into fibrin that clods
How does the heart of a fish differ from humans.
one atrium and one ventricle
How does the blood go through the heart?
The blood enters the heart through the vena cava and pulmonary veins into the atria as the ventricles relax. Then the ventricles contract to force blood into the aorta and the pulmonary trunk.
The specialized cluster of cells located in the right atrium of the heart, responsible for initiating the electrical impulses that regulate the heartbeat
sino-atrial node
The large blood vessel that arises from the right ventricle of the heart, carrying deoxygenated blood to the lungs, before branching into the left and right pulmonary arteries.
pulmonary trunk
What are the left and right valves called between the atria and ventricles
(Mitral) bicuspid valve and tricuspid valve
What are the veins/arteries called that connect to the heart. (from lungs to heart, to body, to heart again, to lungs)
Pulmonary vain, Aorta, superior & inferior vena cava, pulmonary artery
The thick, muscular middle layer of the heart wall, composed of cardiac muscle tissue, responsible for contracting and pumping blood throughout the body.
Myocardium
The blood vessels that supply oxygenated blood to the heart muscle itself, branching off from the aorta and encircling the heart.
Coronary arteries
This organ sets the heart rate
Medulla oblongata
