The heart

Question 1

What does the cardiovascular system consist of?

Answer 1

Blood, heart and blood vessels

Question 2

What is roughly the size of your heart?

Answer 2

the size of your fist

Question 3

where is your heart located?

Answer 3

Between lungs

Question 4

Where is the base (top) of your heart?

Answer 4

2nd intercostal space

Question 5

Where is the apex (buttom) of your heart?

Answer 5

left and downward

Question 6

What do the apex and right ventricle rest on?

Answer 6

the diaphragm posteriorly

Question 7

What is between the parietal and visceral layers of the

serous pericardium and what is there?

Answer 7

pericardial cavity- filled with pericardial fluid which reduces the friction between the two membranes.

Question 8

What are the layers of the heart walls (superficial-deep)

Answer 8

Epicardium
Myocardium
Endocardium

Question 9

What does the epicardium consist of

Answer 9

mesothelium and connective tissue

Question 10

What is the myocardium composed of?

Answer 10

cardiac muscle

Question 11

What does the endocardium consist of

Answer 11

endothelium and connective tissue.

Question 12

How many atria and lower ventricles are there in the heart?

Answer 12

two for both.

Question 13

What are the two vena cavas called?

Answer 13

Superior and inferior

Question 14

Where does the vena cava drain to?

Answer 14

The right atria.

Question 15

Where does the pulmonary artery go from and to?

Answer 15

from the right ventricle

to the lungs

Question 16

What is the two sections are separated by a bicuspid (mitral) value?

Answer 16

The left atrium and left ventrical.

Question 17

Where does the Aorta go from and to?

Answer 17

from the left ventricle

to the whole body

Question 18

Where does the pulmonary vein go to and from?

Answer 18

to the left atrium

from the lungs

Question 19

What’s on the surface of the heart?

Answer 19

auricles and sulci

Question 20

What are the small pouches on the anterior surface of each atrium?

Answer 20

Auricles

Question 21

What are the grooves that contain blood vessels and fat and separate the chambers

Answer 21

Sulci

Question 22

Where does the right atrium receive blood from?

Answer 22

Superior and inferior vena cava and the coronary sinus.

Question 23

What separates the right and left atria

Answer 23

Septum

Question 24

What is an oval depression, which is the remnant of teh foramen ovale

Answer 24

Fossa ovalis

Question 25

Where does the right atrium receive blood from and sends it?

Answer 25

from the inferior and superior vena cava and the coronary sinus.
sends it to the right ventricle

Question 26

Where does the left atrium receive blood from and sends it?

Answer 26

receives blood from the pulmonary veins

goes to the left ventricle through the bicuspid valve.

Question 27

What side of the heart has a thicker myocardial structure?

Answer 27

The left

Question 28

In ventricular relaxation (Diastole) what happens?

Answer 28

AV (atrioventricular) valves open

Blood from atria to ventricles

Question 29

In ventricular contraction (Systole) what happens?

Answer 29

AV valves close
Semilunar valves open
Blood ejected from ventricles