The Heart and Blood Vessels

The Heart and Blood Vessels

Multiple Select

Check all the correct parts of the cardiovascular system

• blood

• blood vessels

• heart

• nerves

• lungs

Parts of the cardiovascular system

• heart

• blood vessels

• blood

Multiple Choice

The heart inner layer that keeps blood from sticking to the inside of the heart and forming potentially deadly blood clots is called

• endocardium

• pericardium

• myocardium

• epicardium

Multiple Choice

The muscular middle layer of the heart is called the

• epicardium

• myocardium

• pericardium

• endocardium

Layers of the Heart

• Endocardium

• Myocardium

• Epicardium

Multiple Choice

What are the upper chambers of the heart called?

• artery

• atria

• veins

• ventricles

Multiple Choice

What are the lower chambers of the heart called?

• artery

• atria

• veins

• ventricles

Multiple Choice

The heart is composed of how many chambers?

• 1

• 2

• 3

• 4

The Heart Structures

• left atrium

• tricuspid valve

• left ventricle

• right atrium

• mitral valve

• right ventricle

Multiple Choice

What part of the heart delivers richly oxygenated blood to the body?

• Tricuspid Valve

• Superior Vena Cava

• Aorta

• Pulmonary artery

Multiple Choice

The blood enters on the left side of the heart through the ______________ and enters the left atrium. It then passes through the _____________to enter the left ventricle.*

• pulmonary artery, mitral valve

• pulmonary vein, tricuspid valve

• pulmonary artery, aortic valve

• . pulmonary vein, bicuspid valve

Multiple Choice

What part of the heart delivers unoxygenated blood to the lungs?

• Pulmonary artery

• Pulmonary Vein

• Aorta

• Left Ventricle

Blood Flow

• vena cava

• right atrium

• tricuspid valve

• right ventricle

• pulmonary artery

• to lungs

• pulmonary veins

Blood Flow

• pulmonary veins

• left atrium

• left ventricle

• aorta

Multiple Choice

Structure that creates the electrical signals for the conduction process:

• SA node

• AV node

• Purkinje fibers

• bundle of His/AV bundle

Sinusoidal Node

pacemaker of the heart controlled by the autonomic system

Multiple Choice

Which is the smallest of the 3 blood vessels?

• Veins

• Arteries

• Capillaries

Multiple Choice

Which blood vessels take blood AWAY from the heart?

• Veins

• Arteries

• Capillaries

Multiple Choice

These have valves that prevent backflow of blood

• arteries
• veins
• arterioles
• capillaries

Blood Vessels

• Arteries-away from heart

• Veins- toward heart

• Capillaries- gas exchange

Multiple Choice

What blood vessel is the largest vein

• aorta

• pulmonary

• vena cava

• mitral

Multiple Choice

What blood vessel is the largest artery

• aorta

• pulmonary

• vena cava

• mitral

Largest Blood Vessels

• Vena cava- vein

• Aorta- artery

Multiple Choice

What is the function (job) of the plasma?

• To release antibodies to fight infections.

• To transport oxygen around the body.

• To carry dissolved nutrients and sugars.

• To transport oxygen around the body.

Multiple Choice

What is the function (job) of the white blood cells?

• To transport oxygen around the body.

• To carry dissolved sugars.

• To clot and cover wounds like cuts and grazes.

• To release antibodies to help destroy infections.

Multiple Choice

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

Blood Components

• Red Blood cells- O₂ transportation

• White Blood cells- immunity

• Platelets- blood clotting