Circulatory System

Blood

Take out blue sheet!

Question

What color is your blood inside of your

body?

BLUE!!!

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Wrong….

Definitely NOT blue.

Answer* It is either dark red or bright red, but NEVER

blue.It only appears blue through your skin. The

dark red is the non-oxygenated blood and the bright red is the oxygenated blood.

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Four Parts of the Blood

PlasmaRed Blood Cells White Blood CellsPlatelets

Four Parts of the Blood

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PlasmaTransports blood solids, nutrients, hormones, and other materials.

Red Blood CellsCarry oxygen to the cells and carbon dioxide away from the cells.

White Blood CellsHelp fight disease and infection by attacking germs that enter the body.

PlateletsHelp blood clot, which seals cuts and prevents excess blood loss from a wound.

Blood TypesA (+ and -)B (+ and -)AB (+ and -)O (+ and -)

Most Common?O+

37% of the world

Most Rare?AB-

Less than 1% of the world.

What Blood Types Can Donate to Each Other?

Universal Donors The universal red cell donor has Type O

negative blood type. The universal plasma donor has Type AB

positive blood type.

Mislabeling Consequences

The mixing of certain blood types has costly affects.High fevers, difficulty breathing,

and even death.

*Questions on the Circulatory

System?