Unit 12 Circulatory & Lymph
1. ARTERY VEIN CAPILLARY
• ARTERIES- carry blood Away from heart clean oxygenated blood except for
Pulmonary Artery • VEINS- carry blood towards the heart “dirty” blood with wastes except for
Pulmonary vein• CAPILARIES- exchange of blood between
arteries and veins
Arteries and Viens
2. Divisions of Aorta
• Ascending- heart wall• Aortic arch- carotids• Thoracic- lungs• Abdominal- stomach,
liver
3. PULSE
• Sites to take pulse- carotid- neck
radial- wrist brachial- elbow
Pulse can be felt as a surge of blood through an artery
Adults approx 70 /minChildren faster 100/min
4. BLOOD PRESSURE
• Blood Pressure is the force of blood against a vessel wall as the heart contracts and then relaxes. The contraction number is the SYSTOLIC. The relaxed number is the DIASTOLIC
• 120/80 is an example of a normal adult BP
5. What are the 3 Functions of the LYMPH System?
• Remove excess fluids from tissue
• Absorb fat
• Defend body from disease
VOCABULARY
• Antigen- foreign invader
• ANTIBODY- immune system produces these to fight antigens
• Myocardium- heart muscle
• Endocardium- inner layer of heart wall
• Systolic- BP reading during contraction
• Diastolic- BP reading during heart at rest
Vocab Continued
• Plaque- fatty deposit that clogs arteries
• Atheriosclerosis- disease of arteries, they harden due to plaque build up
• Hypertension- High blood pressure
THE END