10 Jun At the venule end of a capillary, blood pressure is __ than osmotic
Question
At the venule end of a capillary, blood pressure is ____________ than osmotic pressure and fluid moves ____________the vessel.
Almost the ____________ amount of fluid that left the vessel returns to it.
However, some excess tissue fluid is always collected by the ____________ capillaries. This lymph is returned to the systemic ____________ blood.
The rhythmic contraction of the atria and ventricles is due to the intrinsic ____________ system of the heart that is made possible by the presence of nodal tissue, a unique type of cardiac muscle.
Nodal tissue, which has both ____________ and nervous characteristics, is located in two regions of the heart.
The ____________ is located in the upper dorsal wall of the right atrium. The ____________ is located in the base of the right atrium very near the septum.
The SA node initiates the heartbeat and sends out an excitation impulse every ____________ seconds, which causes the atria to contract.
When impulses reach the AV node, a slight delay allows the ____________ to finish contraction before the ____________ begin to contract.
The SA node is called the ____________ because it usually keeps the heartbeat regular.
If the SA node fails to work properly, the heart still beats due to impulses generated by the AV node but the beat is slower, ____________ beats per minute.
As blood enters the ____________ , the walls of these vessels expand and contract, which can be felt as the pulse where the ____________ run close to the body surface.
It is common to detect the pulse with a few fingers placed on the ____________ on the wrist, or the ____________ in the neck.
Because the walls of the ____________ pulse whenever the left ventricle contracts, the pulse rate generally indicates the ____________ , which is normally between ____________ in a healthy adult.
The recording of the electrical changes that occur in the myocardium during a cardiac cycle is called an ____________ .
During a cardiac cycle, the ____________ wave occurs prior to atrial contraction, the ____________ wave occurs just prior to ventricular contraction, and the _T_ wave occurs when the ventricles are recovering from contraction.
The ____________ that occur in the myocardial tissue during these waves are detected by electrodes that are placed on the skin.
Different abnormalities can be detected through this technique, including ____________, or the uncoordinated irregular electrical activity of the ventricles.
The right atrium sends blood through the ____________ valve to the right ventricle.
The superior vena cava and the inferior vena cava, which carry O?-poor blood that is relatively high in ____________, enter the right atrium.
The right ventricle sends blood through the pulmonary ____________ into the pulmonary trunk and through the two pulmonary arteries to the lungs.
The left atrium sends blood through the ____________ to the left ventricle.
The left ventricle sends blood through the aortic semilunar valve into the ____________ to the rest of the body.
____________ pulmonary veins, which carry O?-rich blood from the lungs, enter the left atrium.
The cardiovascular system is made up of the ____________ .
The ____________ pumps blood through the body. The blood is always contained in the ____________ .
This movement of blood is termed ____________ , the purpose of which is to service the cells by providing oxygen and nutrients while removing carbon dioxide and other wastes.
This exchange takes place within the ____________ that surrounds the cells.
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