iGCSE 0654 - The Circulatory System

iGCSE 0654 - The Circulatory System

Multiple Choice

How many chambers does the heart have?

• 1

• 2

• 3

• 4

Multiple Choice

Examples of mammals include

• humans, cow and turtles

• humans, pigs and snakes

• dogs, cats and mice

• turtles, humans and dogs

Multiple Choice

What is meant by the term "oxygenated"?

• Poor in oxygen

• Rich in carbon dioxide

• Rich in oxygen

• Rich in methane

Open Ended

Describe the term absorption of nutrients.

Make sure that you describe what happens in the small intestine, including the keyword villi, blood vessels, lacteal, nutrients, fats.

Multiple Select

So far...

• I have understood everything. No need to go back and read again.

• I need to read one more time to understand

• It will take some time for me to understand everything

• I really need to read these slides again and again to make sure I understand!

Let's see how well you are doing!

Multiple Choice

Capillaries are small blood vessels, a few cells thick, that aid the diffusion of oxygen from the blood into the cells.

• True

• False

Multiple Choice

The vena cana carries blood from

• The body into the lungs

• The lungs into the heart

• The body into the heart

• The heart to the body

Multiple Choice

The pulmonary artery connects

• The lungs to the rest of the body

• The right side of the heart to the lungs

• The lungs to the left side of the heart

• The right side of the heart to the rest of the body

Multiple Choice

What is the only correct alternative for the order in which blood flows?

• Vena cava -> left atrium -> left ventricle -> Pulmonary artery

• Vena cava -> right atrium -> right ventricle -> Pulmonary artery

• Vena cava -> right ventricle -> right atrium -> Pulmonary artery

• Vena cava -> right atrium -> right ventricle -> Pulmonary Vein

Multiple Choice

Pulmonis is the latin word for lungs

• True

• False

That's why the word "pulmonary" is linked to the lungs (like pulmonary artery and pulmonary veins)

Fill in the Blank

When blood is oxygenated in the lungs, it then travels along the __________ into the heart.

Open Ended

Why is the circulatory system referred to as a "DOUBLE" circulatory system?

Open Ended

What conditions (name two) can cause heart diseases?

Open Ended

How are you doing so far???

Multiple Choice

What's the name of the muscle that divides the heart?

• Valves

• Veins

• Septum

• Pacemaker

Fill in the Blank

The _____________ is a muscle that controls the heart's rhythm/heart beats

Multiple Choice

The pacemaker is located at

• Right atrium

• Right Ventricle

• Left Ventricle

• Left Atrium

Open Ended

What is your heart beat right now?

Using your watch/timer, count your heartbeat for one minute and write down what you measured!

Tell a little bit about how you are feeling (are you nervous? Calm? Relaxed?). The way you are feeling is directly linked to your heartbeat! :)

Multiple Choice

What sort of circulatory system is the human circulatory system?

• An open circulatory system

• A single circulatory system

• A double circulatory system

• A colloidal osmotic circulation index

Multiple Choice

Which one shows the direction that blood flows towards, through and from the heart?

• vena cava > ventricle > atrium > pulmonary vein

• pulmonary artery > atrium > ventricle > aorta

• aorta > ventricle > atrium > pulmonary vein

• pulmonary vein > atrium > ventricle > aorta

Multiple Choice

what is the function of arteries

• take blood to heart

• take blood away from heart

• take blood to colon

• take blood to brain

Multiple Choice

left side of the heart is high in

• O₂

• CO₂

• N

• H

Multiple Choice

what does a ventricle do

• force blood out

• let blood in

• exchange gases

• remove waste

Multiple Choice

what does an atrium do

• let blood in

• let blood out

• exchange gases

• remove waste

Multiple Choice

what is the purpose of circulation

• supply O2 and nutrients and remove waste

• break down the food

• get oxygen into the lungs

• remove solid waste

Multiple Choice

Which of the following contain deoxygenated blood?

• Left ventricle

• Pulmonary vein

• Right atrium

• Coronary artery

Multiple Choice

A boy is bitten by a venomous snake on his left leg. Poison gets to his heart through the:

• Pulmonary vein

• Left subclavian artery

• Inferior vena cava

• Hepatic portal vein

Multiple Choice

Blood leaves the heart in two vessels, namely the:

• Aorta and pulmonary vein

• Pulmonary artery and aorta

• Aorta and venae cavae

• Pulmonary artery and pulmonary vein

Multiple Choice

Blood:

• Is pumped from the heart into the veins

• Enters the right atrium from the lungs

• Is not involved in temperature control

• Can pass round the body in less than a minute

Multiple Choice

The direction of blood flow through the human body is maintained by:

• The elasticity of the vein walls

• The pump action of the heart

• Muscular contractions

• A system of valves

Multiple Choice

The only artery in humans that carries deoxygenated blood is the:

• Pulmonary artery

• Renal artery

• Aorta

• Carotid artery

Multiple Choice

Atria pumps blood to the:

• Arteries

• Body cavities

• Veins

• Ventricles

End of Lesson 1

Thank you!