The Cardovascular System Flashcards
Plasma
The liquid part of blood, it is pale yellow in colour and contains dissolved chemicals like carbon dioxide and hormones
Red blood cells
Are biconcave discs which means they are circular discs with the middle squashed inwards. This gives them surface area to pick up oxygen and carry it on haemoglobin to the body’s cells for respiration.
White blood cells
Important in fighting diseases in the body.
Platelets
Important for blood clotting.
What is a natural pacemaker.
It controls the heart and it is one of the most important elements in the cardiac conductions system
What are the problems if the pacemaker stops working
If the pacemaker stops
What is a artificial pacemaker and how does it work
A pacemaker is a medical device which generates electrical impulses delivered by electrodes to contract the heart muscles and regulate the electrical conduction system of the heart
In what situations might someone need a artifical heart
When they require a heart transplant
Words that describe ventilation
Trachea, bronchide, bronchus, rib, air sack, lung, diaphram.