7. Cardiovascular System (Vessels)

There is two types of blood travelling through your bloodstream. What are they?

• Oxygenated and Carbon Dioxide

• Oxygenated and Deoxygenated

• Oxygenated and Unoxygenated

• Carbon Dioxide and Deoxygenated

Deoxygenated blood is represented by

• Red

• Blue

• Green

• Purple

• Yellow

Oxygenated blood is represented by

• Red

• Blue

• Green

• Purple

• Yellow

Select the answer: ___________ carry blood that is oxygenated after it has been pumped from the heart.

• Veins

• Lungs

• Septum

• Arteries

• Valves

Select the answer: ___________ are responsible for returning deoxygenated blood back to the heart.

• Veins

• Lungs

• Septum

• Arteries

• Valves

The vena cava is the largest vein in the body.

• True

• False

What has thinner walls?

• Arteries

• Veins

Fill the gaps in order: Circulation of blood begins with the ______ which pumps blood into ______ and receives blood from ______.

• 1. Heart 2. Veins 3. Arteries

• 1. Heart 2. Arteries 3. Veins

• 1. Arteries 2. Heart 3. Veins

• 1. Veins 2. Heart 3. Arteries

• 1. Veins 2. Arteries 3. Heart

Main job of red blood cells is to carry oxygen from the lungs to the body tissues & carbon dioxide away from the heart?

• True

• False

What is an important protein of the red bloods cells?

• Tissue

• Hexagonal

• Haemoglobin

• Heroglobin