pigs heart dissection

Question 1

is a double-layered membrane that surrounds and protects the heart.

Answer 1

pericardium

Question 2

It also helps anchor the heart in the chest cavity

Answer 2

pericardium

Question 3

It reduces friction between the heart and surrounding structures.

Answer 3

pericardium

Question 4

Its strength and health are crucial for the heart’s pumping efficiency

Answer 4

The myocardium

Question 4

is the thick, muscular layer of the heart.

Answer 4

The myocardium

Question 5

It contracts to pump blood throughout the body.

Answer 5

The myocardium

Question 6

is the pointed tip of the heart that faces downward and to the left.

Answer 6

apex

Question 7

It’s the part of the heart where electrical impulses are strongest during a heartbeat.

Answer 7

apex

Question 8

It plays a key role in the contraction and pumping of blood.

Answer 8

apex

Question 9

The __________ includes the major blood vessels and chambers.

Answer 9

front of the heart

Question 10

It faces the chest wall and is often visible in medical imaging.

Answer 10

front of the heart

Question 11

It plays a key role in circulating blood throughout the body.

Answer 11

front of the heart

Question 12

receives oxygen-rich blood from the lungs through the pulmonary veins.

Answer 12

Left Atria (Upper left chamber)

Question 13

It then pumps this blood into the left ventricle for further circulation.

Answer 13

Left Atria (Upper left chamber)

Question 14

This chamber is crucial for oxygenating the body.

Answer 14

Left Atria (Upper left chamber)

Question 15

pumps oxygenated blood to the entire body via the aorta.

Answer 15

The left ventricle

Question 16

It’s the thickest chamber, providing the force needed for systemic circulation.

Answer 16

The left ventricle

Question 17

Its efficiency is vital for healthy blood flow.

Answer 17

The left ventricle

Question 18

collects deoxygenated blood from the body through the superior and inferior vena cava.

Answer 18

The right atrium

Question 19

It pumps the blood into the right ventricle for the next stage of circulation.

Answer 19

The right atrium

Question 20

pumps deoxygenated blood to the lungs via the pulmonary artery for oxygenation.

Answer 20

The right ventricle

Question 21

It is the heart’s entry point for deoxygenated blood.

Answer 21

The right atrium

Question 22

It’s thinner than the left ventricle since it only needs to pump blood to nearby lungs.

Answer 22

The right ventricle

Question 23

It plays a vital role in pulmonary circulation

Answer 23

The right ventricle

Question 24

supply oxygen and nutrients to the heart muscle.

Answer 24

The coronary arteries

Question 25

Blockages here can lead to heart attacks.

Answer 25

The coronary arteries

Question 26

They ensure the heart can keep pumping effectively by nourishing its tissues.

Answer 26

The coronary arteries

Question 27

carries deoxygenated blood from the right ventricle to the lungs for oxygenation.

Answer 27

pulmonary artery

Question 28

It's the only artery that carries deoxygenated blood.

Answer 28

pulmonary artery

Question 29

It’s essential for gas exchange in the lungs.

Answer 29

pulmonary artery

Question 30

is the largest artery in the body and carries oxygen-rich blood from the left ventricle to the body.

Answer 30

The aorta

Question 31

It branches into smaller arteries to supply oxygen to various organs.

Answer 31

The aorta

Question 32

It plays a crucial role in systemic circulation.

Answer 32

The aorta

Question 33

return oxygenated blood from the lungs to the left atrium.

Answer 33

The pulmonary veins

Question 34

This is the only set of veins that carries oxygen-rich blood.

Answer 34

The pulmonary veins

Question 35

There are ____ main pulmonary veins, ____ from each lung.

Answer 35

four, two

Question 36

bring deoxygenated blood from the body back to the right atrium.

Answer 36

The superior and inferior vena cava

Question 37

________ carries blood from the upper body, while the ________ handles the lower body. They are crucial for venous return.

Answer 37

superior vein, inferior vein

Question 38

is located between the right atrium and right ventricle.

Answer 38

the tricuspid valve

Question 39

It prevents blood from flowing backward into the atrium when the ventricle contracts.

Answer 39

the tricuspid valve

Question 40

It ensures efficient flow of blood in the right side of the heart.

Answer 40

the tricuspid valve

Question 41

is a wall of tissue that separates the heart’s left and right sides.

Answer 41

septum

Question 42

It prevents oxygenated and deoxygenated blood from mixing.

Answer 42

septum

Question 43

It plays a key role in maintaining the heart’s efficiency.

Answer 43

septum

Question 44

is situated between the left atrium and left ventricle.

Answer 44

The bicuspid or mitral valve

Question 45

Its function ensures proper circulation of oxygenated blood.

Answer 45

The bicuspid or mitral valve

Question 46

It prevents backflow of blood into the atrium during ventricular contraction.

Answer 46

The bicuspid or mitral valve

Question 47

It prevents blood from flowing back into the ventricle after it has been pumped out. It's essential for maintaining one-way flow into systemic circulation.

Answer 47

The aortic valve

Question 48

controls blood flow from the left ventricle into the aorta.

Answer 48

The aortic valve

Question 49

Exit valve to aorta

Answer 49

The aortic valve