Heart Basics
Where is the heart located?
In the chest
What is the red liquid that travels through our body?
Blood
What carries blood away from the heart?
Arteries
What does the circulatory system move around the body?
Blood, oxygen, and nutrients
Why is circulation important?
It helps deliver oxygen and nutrients to the body
What organ pumps blood around the body?
The heart
What gives blood its red colour?
Red blood cells
What carries blood towards the heart?
Veins
What gas does blood carry to body cells?
Oxygen
What can a PSW check that can give information about circulation?
Pulse
How many chambers does the human heart have?
Four
what blood cells help fight infection?
White blood cells
What are the smaller blood vessels called?
Capillaries
What happens to blood when it reaches the lungs?
It picks up oxygen and releases carbon dioxide
What might cold, pale, or blueish skin suggest?
Poor circulation or reduced oxygen
What side of the heart pumps oxygenated blood to the body?
The left side
What part of blood helps it clot when you are injured?
Platelets
Which type of blood vessel usually has thick, strong walls?
Arteries
Why does the heart beat faster during exercise?
To deliver more oxygen and nutrients to working muscles
Why is checking a clients pulse useful?
It provides information about heart rate and circulation
What is the main job of the hearts valves?
They help keep blood flowing in the correct direction
What is the liquid part of blood called?
Plasma
What is the main job of capillaries?
They allow oxygen, nutrients, and wastes to move between blood and tissues
What is the difference between oxygenated and non-oxygenated blood?
Oxygenated blood carries more oxygen, non oxygenated blood has less oxygen and more carbon dioxide
Why should a PSW report an unusually fast, slow, or irregular pulse?
It could indicate a change in the clients condition