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34 terms

7th Grade, Science, Blood

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blood
connective tissue made up of plasma, red blood cells, platelets and white blood cells.
circulatory system
this is made up of your heart, your blood vessels and blood.
plasma
the fluid part of your blood which is a mixture of water, minerals, nutrients, sugars, proteins and other substances.
red blood cells, white blood cells and platlets
all found in plasma
RBC's
red blood cells.
red blood cells - function
take oxygen to every cell in your body. most blood cells are these.
hemoglobin
an oxygen carrying protein.
platelets
pieces of larger cells found in bone marrow.
important function of platelets
help form blood clots to stop bleeding.
pathogens
particles like bateria, viruses or other microscopic particles that can make you sick.
WBC's
white blood cells.
white blood cells - function
help to fight and destroy pathogens. they also release antibodies.
help regulate body temperature
another function of blood besides delivering oxygen and nutrients to your cells.
blood pressure
the force that blood exerts on the walls of the arteries.
blood pressure unit of measure
millimeters of mercury (mm Hg)
Systolic blood pressure (which number is it)
The first number in blood pressure.
Systolic pressure
The pressure inside large arteries when the ventricles contract.
Diastolic blood pressure (which number is it)
The second number in blood pressure.
Diastolic pressure
The pressure inside large arteries when the ventricles relax.
number of blood types in people
four
A, A, AB or O
blood types in people
antigens
surface chemicals of your blood type.
Type O blood
has neither the A or N antigen. Has A and B antibody.
Type A blood
has A antigen, B antibody
Type B blood
has A antibody, B antigen
Type AB blood
has A and B antigen
In the BP 110/70, 110 represents
Systolic pressure
In the BP 110/70, 70 represents
Diastolic pressure
death
a reaction to being given the wrong blood type can cause this.
plasma, red blood cells, platelets and white blood cells.
four main components of blood
transfusion
the injection of blood or blood components into a person to replace blood lost in a surgery or an injury.
main functions of blood
carry oxygen and nutrients to cells, help protect against disease, help regulate body temperature.
Mixing blood types can be
fatal
Every person has
one of four ABO blood types