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The circulatory systemis the body system thattransports Nutrients,OXYGEN & CELLULAR WASTE throughout the body.
Circulatory System consists of:
BloodBlood VesselsHeart
Blood is comprised of
•Plasma
•Blood cells
•Platelets
is the liquid part of blood.
Plasma
1 –Red Blood Cells2 – White Blood Cells
The 2 types of blood cells are:
Platelets help your blood clot
The function of White Blood Cells:
To attack, surround and destroy pathogens that enter the body and prevent them from causing infection.
When you have an infection, the number of white blood cells increases.
The function of Red blood cells:
To carry oxygen They are the most numerous
type of blood cells.They live about 100 days
3 Major types of Blood Vessels
are:1.Arteries2.Veins3.Capillaries
Arteries These are the blood vessels that carry blood
AWAY from your heart.
VeinsAre blood vessels
that carry blood
TO
the heart
Cappillaries
Are tiny blood vessels that connect arteries and veins.
The Heart is a
Muscle with 4 Chambers that
pump blood throughout the body.
AtriumIs the
Upper Chamber of the Heart
VentricleIs the
lower chamber
of the heart
AortaIs the main artery in the body.
The aorta branches into smaller arteries and blood flows through to all parts of the body.
Blood Pressure
Is the force of blood against the artery
wall.
Systolic Blood Pressure
Is the force of blood against the artery walls
when the heart is beating.
Diastolic Blood Pressure
Is the force of blood against the artery
walls BETWEEN Heart beats.
TransfusionTransfusion
Is the transfer of blood between people.
Blood TypeBlood TypeIs the type of red
blood cells a person has.
Blood types: A , B , AB ,or O
6 Ways to care for your Circulatory System:
1. Reduce the amount of fat in your diet.
2. Exercise Regularly3. Avoid Tobacco Products4. Maintain a Healthful Weight5. Practice Stress Management
Skills6. Spend time with loving Friends
& Family Members
1 - Oxygen-poor blood (shown in blue) flows from the body into the right atrium.
2 - Blood flows through the right atrium into the right ventricle.
3 - The right ventricle pumps the blood to the lungs, where the blood releases waste gases and picks up oxygen.
4 - The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium.
5 - Blood flows through the left atrium into the left ventricle.
6 - The left ventricle pumps the oxygen-rich blood to all parts of the body.
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