Year 11 Cardiovascular System

Which of the below is NOT a component of the cardiovascular system

• Capillaries

• Heart

• Blood

• Lungs

Explain homeostasis

The composition of blood is made up of

• 45% solid components and 55% liquid components

• 55% solid components and 45% liquid components

• 70% liquid components and 30% solid components

• 50% liquid and 50% solid

Which component is NOT apart of the solid component of blood?

• Red Blood Cells

• White Blood Cells

• Plasma

• Platelets

WBC stands for

• Where blood commences

• White Blood Count

• White Blood Cells

How many litres of blood does the human body hold?

• 5

• 6

• 7

• 9

Why are red blood cells red?

• Because of their high concentration of haemoglobin.

• Because they are in the blood

• Because they lack oxygen

• Because it gives us a glow

Explain the role of platelets

What does plasma contain?

Which factors may increase Heart Rate?

• Exercise

• Temperature

• Fear

• All of the above