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.Arteries 2.Veins 3.Capillaries
Arteries These are the blood vessels that carry blood AWAY from your heart.
Veins Are 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.
Aorta Is 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.
Transfusion Is the transfer of blood between people.
Blood Type Is 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 Regularly 3.Avoid Tobacco Products 4.Maintain a Healthful Weight 5.Practice Stress Management Skills 6.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.