The Cardiovascular System Flashcards
What are the components of blood
Based on plasma, and carries red blood cells, white blood cells, and platelets
What is the use of red blood cells
They pick up oxygen from the air in your lungs and transport it around the body where it is needed
What is the use of white blood cells
They form part of the body’s defence system against harmful microorganisms.
What is the use of platelets
They are very important in helping the blood to clot at the site of a wound.
What does the pancreas do
Organ that makes and releases digestive juices
containing enzymes to break down your food
What does the stomach do
Organ where food is churned with digestive juices
and acids
What does the small intestine do
Organ where small digested molecules are
absorbed into the bloodstream
What does the large intestine do
system:
Organ where water passes back into the body,
leaving solid waste
State where bile is produced.
Liver
State the food component that bile digests.
Fat
Describe what happens to the structure of food molecules during digestion.
The food molecules are broken down and separated
Explain how the small intestine is adapted to perform its function.
It has lots of villi on the inside of the intestine and therefore creates a larger surface area and it is very very long. This then means that the food can be processed
What are protein chains like
Long chains made of amino acid (there are 20 different ones)
What are fat chains like
They have fatty acid chains
What are carbohydrate chains like
Some are long chains of sugar bonded together (eg starch)
