Ch 9 Cardio And Lymphatic: Transport Flashcards
(88 cards)
The tough, fibrous external layer of the membrane covering the heart is called the ________. The outer surface of the heart itself is covered with a layer called the ________. The muscle of the heart is called________________. The chambers of the heart are lined with a layer called________________
Percardium
epicardium
myocardium
endocardium
The two thin-walled receiving chambers of the heart are the ________________.
The thicker-walled chambers into which they feed are called______________
atria
ventricles
The left atrioventricular valve is called the ________valve, and the right is called the _________valve. Backflow of blood from the arteries to the ventricles is prevented by the___________valves.
mitral (biscupid)
tricuspid
semilunar
The pacemaker of the heart is also called the __________node. It produces electrical impulses that spread to the ___________node and ultimately through the _________fibers to stimulate contraction of the ventricles.
sinoatrial (SA)
atrioventricular (AV)
Purkinje
Heart rate is influenced by the two branches of the ___________nervous system. The _________division slows heart rate. The __________division increases heart rate.
autonomic
parasympathetic
sympathetic
Small arteries are called _________, and small veins are called ________. The tiny vessels that connect them are called _________
arterioles
venules
capillaries
The liquid portion of blood is called____________. If the clotting elements are removed, it is called ___________________.
Plasma
serum
Blood makes up _________to_______ of an animal’s total body weight.
6% - 8%
The undifferentiated stem cells from which all blood cells originate are called ______________
hemocytoblasts
The scientific name for red blood cells is ________________, and for white blood cells it is_____________
erythrocytes
leukocytes
Of the two groups of white blood cells, the ones that originate in bone marrow are called __________. They are further classified by staining characteristics into three types _______, ________, and ___________
granulocytes
neutrophils
eosinophils
basophils
White blood cells with nongranular cytoplasm are called _______________.. The two types are _____________and ____________
agranulocytes
lymphocytes
monocytes
Blood platelets are also called_________ They originate in bone marrow from large multinucleated cells called _____________
thrombocytes
megakaryocytes
In clotting, thrombin causes the blood protein__________to change into______________
fibrinogen
fibrin
Blood groups are named for the ______________that are found on the cell membranes of red blood cells.
antigens
Blood pressure rises and falls with each heartbeat. The higher pressure, produced during ventricular contraction , is called___________pressure. The difference between the two is called ____________pressure.
systolic
diastolic
pulse
The basic circuit of the blood, starting from the left ventricle, is known as the _______circulation. It includes a segment through the digestive organs and liver called the ________circulation. The circuit of blood from the right ventricle and back to the heart is called the ________circulation.
systemic
portal
pulmonary
The only veins that carry oxygenated blood are the __________veins. They carry blood from the _______to the _________.
pulmonary
lungs
heart
The blood makes a complete circuit of the body in about _______minutes (s).
1
The largest artery in the body is the _________________.
aorta
The _________arteries supply the myocardial muscle.
coronary
From its name, you can tell that the brachiocephalic artery supplies the _________and _________.
front legs (arms)
head
The artery that supplies the kidney is the __________artery.
renal
The hepatic vein draws blood from the ________ and empties into the caudal _________.
liver
vena cava