Wednesday, Feb 8, 2012 Objective: Describe the dangers of high blood pressure BR: Fill in the blanks. For arteries __________ blood flows __________ the heart.

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Time’s up! Put Bell Ringer in Folder Today’s Agenda: Circulatory System Recap Blood Pressure Notes

Red Blue Blood is oxygenated Away from heart Towards heart Arteries Blood Vessel Name Direction of blood flow Usual Color of blood Why Arteries Veins Away from heart Red Blood is oxygenated Towards heart Blue Blood is unoxygenated

Pulmonic Circuit Circulation of blood flow from the R side of to lungs to L side of ** Pulmonic = lungs!

Systemic Circuit Circulation of blood flow from the L side of to tissues in rest of body to R side of Systemic Circuit

Blood Flow Through the Circulatory System LUNGS Tissues in rest of body P Veins LA MV LV AV Aorta PA PV RV SVC & IVC RA TV BLOODFLOW THROUGH THE HEART Copy your class created flowchart into the one provided below. Use abbreviations (ex: Left Atrium = LA). When finished, use a red and blue colored pencil to indicate by outlining the box if blood flowing through here is oxygenated (red) or unoxygenated (blue).

Cornell Notes Topic/Title: Blood Pressure

Vital Signs Temperature Respiratory Rate (breathing rate) Pulse Taken to measure how the body is functioning Temperature Respiratory Rate (breathing rate) Pulse Blood Pressure

Pulse The pulse you feel when placing two fingers on your wrist is your left ventricle contracting or squeezing.

Blood Pressure The pressure needed to move blood through the body’s blood vessels. varies depending on age, diet, obesity, heredity, race, stress, and gender.

120 80 Blood Pressure A normal adult blood pressure is: _____________ The top number is called systolic pressure. This is measured when the heart is contracting. 120 The bottom number is called diastolic pressure. This is measured when the heart is relaxing. 80

High Blood Pressure A person with a systolic reading of anything higher than 140 mmHg, is considered to have hypertension, or high blood pressure

Low Blood Pressure A person with a systolic reading of anything lower than 100 mmHg, is considered to have hypotension, or low blood pressure.

What do you know about a person with this blood pressure? _____________ 160 This person has high blood pressure because the systolic (top) number is above 140 mmHg 80

Dangers of High Blood Pressure Low life expectancy Heart Attack Stroke Headaches Weakened heart Dizziness Sweating

Summary Compare the blood pressure numbers for someone with high, low and normal blood pressure Summarize what can occur if someone has high blood pressure. Explain what a pulse is.