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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.


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


red blood cells.

red blood cells - function

take oxygen to every cell in your body. most blood cells are these.


an oxygen carrying protein.


pieces of larger cells found in bone marrow.

important function of platelets

help form blood clots to stop bleeding.


particles like bateria, viruses or other microscopic particles that can make you sick.


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


A, A, AB or O

blood types in people


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


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


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


Every person has

one of four ABO blood types

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