Circulatory System Flashcards
(44 cards)
Oxygen
From inhaled air in the lungs, needed for respiration
Glucose
From digestive system, necessary for respiration and cell function
Carbon dioxide
From cellular respiration, needs to be exhaled via the lungs
Waste
From body process, needs to be excreted via the lungs, skin, kidneys
Components of blood
Red blood cells, white blood cells, plasma and platelets
Plasma
Liquid part of the blood, pale yellow mostly water.
Function of plasma
To transport heat and chemicals
Useful and waste chemicals that plasma transports
Useful- food and hormones Waste- CO2, salts and urea
What does plasma also carry
Red blood cells, white blood cells and platelets
Where are red blood cells located
In the bone marrow
What’s the function of red blood cells
Transports oxygen to cells
Where does the red colour of red blood cells come from
Haemoglobin
What does haemoglobin pick up in the lungs
Oxygen
What is the definite shape of white blood cells
No definite shape, it can change over time
Where are white blood cells located
In the bone marrow
What is the white blood cells function
To fight infection
What do white blood cells do
Some surrounded micro-organisms and destroy them,
Others produce proteins called antibodies
What do antibodies do
Antibodies help destroy micro-organisms such as bacteria
Where are platelets formed
The bone marrow
What is the platelets function
To help form blood clots
How are platelets formed
Larger cells breaking down into pieces
What do blood clots prevent
Loss of blood and prevent micro-organisms getting i
What are the tubes that help blood flow called
Blood vessels
What are the three main types of blood vessels
Arteries, veins and capillaries
