Year 8 Revision - Blood and Circulatory System

What is a difference between red blood cells and white blood cells?

• Red blood cells contain hemoglobin, but white blood cells do not.

• Red blood cells can move on their own, but white blood cells cannot.

• Red blood cells contain a nucleus, but white blood cells do not.

• Red blood cells fight foreign bacteria, but white blood cells do not.

Tags

NGSS.MS-LS1-3

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

Tags

NGSS.MS-LS1-3

Where does blood go after the right atrium?

• left atrium
• left ventricle
• right ventricle
• aorta

What part is labelled 7?

• Left Atrium
• Left Ventricle
• Aortic Valve
• Right atrium

What part of the heart receives blood from the body that is low in oxygen and high in carbon dioxide?

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

What cells have NO nucleus?

• White blood cells

• Animal cells
• Red blood cells
• Plasma

The role of these specialised cells is to help fight off infection and foreign bodies.

• Palisade Cells
• Nerve Cells
• White Blood Cells
• Red Blood Cells

This is the liquid substance that makes up 50% of our blood (90% water).

• Plasma
• White Blood Cells
• Platelets
• Red Blood Cells

These are cell fragments that help form clots to stop bleeding.

• Plasma
• White Blood Cells
• Platelets
• Red Blood Cells

Number of heart chambers

• 2

• 3

• 4

• 5