CHAPTER 9 SECTION 2 Flashcards
List the four components of blood.
plasma,red blood cells,platelets and white blood cells
The fluid part of the blood is called
plasma
What do red blood cells do?
take oxygen to every cell in your body
An adult body has about____liters of blood?
5
What does hemoglobin cling to?
oxygen you inhale
When bleeding starts,_____form a plug to reduce blood loss.
platelets
What two things do White Blood Cells do?
destroy pathagens and help clean wounds
Pathogens include bacteria,———-and other microscopic organisms.
viruses
To fight pathogens, white blood cells destroy pathogen or release _________.
antibodies
What destroys dead or damaged body cells?
White blood cells
Blood helps regulate
body temperature
When body temperature rises, blood vessels in teh skin
enlarge
The force that blood exerts on the walls of the arteries is called……
blood pressure
When is systolic pressure measured?
When the ventricles contract
When is diastolic pressure measured?
When the ventricles relax
Name two organs that can be damaged by high blood pressure?
heart and kidneys
To what does a blood type refer?
chemicals called antigens on red blood cells
What kind of antibodies does a person with type A blood have?
type a
Which blood type is a universal donor?
O
What does a transfusion attempt to replace?
blood that has been lost due to surgery or injury
