Circulatory System Flashcards
Which of the following is not a function of the circulatory system?
Regulation of blood sugar
Which of the following is a function of blood?
Transport of gases
Which type of blood cell transports oxygen?
Erythrocytes
Which of the following components of blood is correctly paired with its function?
Lymphocytes-acquired immunity
Which type of blood cell is responsible for clotting?
Platelets
Where does erythropoiesis take place?
Red bone marrow
What is the shape of an erythrocyte?
Biconcave
What is the function of hemoglobin?
Transporting oxygen
Which of the following leukocytes is part of the acquired immune system?
Lymphocyte
The muscular layer of the heart is called _________.
Myocardium
Which of the following describes the cardiac cycle?
The sequence of mechanical and electrical events taking place in the heart from the beginning of one heartbeat to the next
The left atrium receives blood from the ______.
Pulmonary vein
The pulmonary artery supplies blood to the __________.
Lungs
Which of the following correctly describes the flow of blood through the heart after the vena cava drains into the heart?
Right atrium-right ventricle-pulmonary artery-pulmonary vein-left atrium-left ventricle
The pacemaker of the heart is the _____________.
SA node
