Heart

Question 1

Makes up the Cardiovascular System

Answer 1

Heart, Blood Vessels and Blood

Question 2

Right side of Heart pumps blood to the lungs and back to the L.side of the heart through vessels of__?

Answer 2

Pulmonary Circulation

Question 3

Left side of the heart pumps blood to all other tissues of the body and back to the right side of the heart through vessels of__?

Answer 3

Systemic Circulation

Question 4

Blunt rounded point of the heart

Answer 4

Apex

Question 5

Larger, flat part at the opposite end of the heart

Answer 5

Base

Question 6

Heart, Tranchea, Esophagus and ass.structures firma midline partition called__?

Answer 6

Pericardial Cavity

Question 7

Outer layer of pericardium and composed of tough, fibrous conn.tissue

Answer 7

Fibrous Pericardium

Question 8

Inner layer and consists of flat epithelial cells with a thin layer of conn.tissue

Answer 8

Serous Pericardium

Question 9

Lines the fibrous pericardium

Answer 9

Parietal Pericardium

Question 10

Covers the heart surface

Answer 10

Visceral Pericardium

Question 11

Located at the base of the heart

Answer 11

Atria (Atrium)

Question 12

Extended from the base of the heart toward the apex

Answer 12

Ventricles

Question 13

Seperating the atria from the ventricles

Answer 13

Coronary Sulcus

Question 14

Varru blood to the Right Atrium

Answer 14

Superior Vena Cava and Inferior Vena Cava

Question 15

Four___ carry blood from the lungsto the Left Atrium

Answer 15

Pulmonary Veins

Question 16

___, arising from the right ventricle, splits into the right & left ___ pumlonary arteries, which carry blood to the lungs

Answer 16

Pulmonary Trunk, Pulmunary Arteries

Question 17

Arising from the L.Ventricle, carries blood to the rest of the body

Answer 17

Aorta

Question 18

Function of Atria

Answer 18

Resevoirs, where blood returning from veins collects before it enters the ventricles

Question 19

Two types of heart valves

Answer 19

Atrioventricular(AV) valve and Semilunar Valves

Question 20

AV valve between the R.Atrium and R.Ventricle s called___?

Answer 20

Tricuspid Valve

Question 21

AV valve between L.Atrium and L.Ventricle is called___?

Answer 21

Bicuspid Valve

Question 22

Drain blood from cardiac muscle

Answer 22

Cardiac Veins

Question 23

Three layers of tissue in Heart Wall

Answer 23

Epicardium, Myocardium and Endocardium

Question 24

Thin serous membrane forming smooth outer surface of the heart; also called___?

Answer 24

Epicardium; Visceral Pericardium

Question 25

Thick, middle layer of the heart, composed of cardiac muscle cells; responsible for contra tion of heart chambers

Answer 25

Myocardium

Question 26

Smooth inner surface of the heart, allows blood to move easily throigh the heart

Answer 26

Endocardium

Question 27

Ridges and columns of cardiac muscle

Answer 27

Trabeculae Carneae

Question 28

Speciwlized cell-to-cell contacts; Prevents cells from pulling apart

Answer 28

Intercalated Disks

Question 29

Allow cytoplasm to flow which enables a.potentials to pass quickly and easily from ome cell to another

Answer 29

Gap Junctions

Question 30

Conduction System of the Heart

Answer 30

Sinoatrial Node, Atrioventricular Node, Atrioventricular Bundle, Bundle Branches and Purkinje Fibers

Question 31

Functions as the heart's pacemaker

Answer 31

Sinoatrial Node (SA)

Question 32

Repitative pumping process

Answer 32

Cardiac Cycle

Question 33

Contraction of the two atria

Answer 33

Atrial Systole

Question 34

Contraction of the two ventricles

Answer 34

Ventricular Systole

Question 35

Relaxation of the two atria Relaxation of the two ventricles

Answer 35

Atrial Diastole; Ventricular Diastole