What is the path of blood?
- Superior vena cava
- Right atrium
- Right AV valve - triscupsid
- Right ventricle
- Pulmonary artery
- Pulmonary vein
- Left Atrium
- Left AV Valve - mitral
- Left Ventricle
How many miles of blood vessls does the adult body contain?
Over 60, 000 miles of blood vessels.
How much blood does the adult heart pump in one day?
The adult heart pumps over 4000 gallons of blood a day.
How many times does the heart beat in a year?
The heart beats 30 million times a year.
How many quarts of blood does the heart pump every minute?
The heart pumps 5 quarts of blood a minute.
How much blood does the average adult body contain?
The average adult body contains 5 quarts of blood.
How much blood does the average 3-year-old have in his/her body?
The average three year old has about 2 pints of blood in his/her boy.
What are four risks factors for cardiovascular disease that cannot be changed?
- 1. Age
- 2. Gender (men more likely to get heart attack and earlier)
- 3. Race (blacks more likely)
- 4. Hereditary
What are seven risk factors for cardovascular disease that can be changed?
- 1. High blood pressure
- 2. High cholesterol
- 3. Obesity/Oveweight
- 4. Inactivity
- 5. Alcohol
- 6. Tobacco
- 7. Stress
What are the five major parts of the cardiovascular system?
- 1. Blood
- 2. Heart
- 3. Arteries
- 4. Veins
- 5. Capillaries
Describe oxygenated vs. deoxygenated blood.
- oxygenated - bright red
- deoxygenated - dark red
What are the functions of blood?
- 1. Carry oxygen to tissues
- 2. Collects carbon dioxide
- 3. Gathers waste materials
- 4. Carries hormones, enzymes, vitamins, and medicines
What are red blood cells called?
What are they rich in?
- Red blood cells are called erythrocytes.
- They are rich in hemoglobin.
- They live abot 120 days.
- They assist with recovering CO2.
What are platelets called?
- Help control bleeding and release factors to stat coagulation.
- 10 day life span.
What are white blood cells called?
- Help body fight infection.
- Live from days up to years.
What are blood vessels.
Channels through which blood is distributed throughout body tissue.
Where is blood produced?
- Produced in bone marrow:
- 1. adults - flat bone (ex. ribs, pelvis, spine)
- 2. children - all bones
Blood cells develop and seep in bloodstream.
What is plasma?
Describe what it is made of/contain.
- -straw colored
- -90% water
- -Ca, Na, K, Mg
- help microbe fighting antibodies get to infection
What are arteries?
Carry oxygenated blood away from heart except for pulmonary artery which carry blood from RV to lungs.
What are the seven arteries that can be palpated and where are they located?
- 1. Carotid: located in neck, one on either side
- 2. Brachial: loacted in upper arm, between bicep and tricep
- 3. Sinus tarsi: medial side of the foot
- 4. Dosalis pedis: back of the foot
- 5. Radial: on radial side of wrist
- 6. Popliteal: behind knee
- 7. Femoral: upper leg, supply blood to lower extremity, lose blood quickly if cut
What are veins?
Veins carry deoxygenated blood back to the heart, all except for the pulmonary vein which carrie oxygenated blood from lungs to RA.
What are capillaries?
Smallest and most numerous of blood vessels. Connect vessels that carry blood away and to the heart. Exchange of gases, nutrients, and metabolic waste products.
Describe the heart.
- 1. It is a muscular pump.
- 2. It circulates blood throughout all the tissues in the body.
- 3. It is the size of a closed fist.
- 4. It has four chambers: RA, LA, LV, RV.
- 5. Valve between atria and ventricles is called atrioventricular valve.
What is sinoatrial node?
It produces a constant rhymthmic heart rate. It is located in the RA.
Describe blood pressure readings.
Top number, bottom number.
Device used to measure.
- 1. Systolic number
- - first number
- - contraction phase of caridac cycle
- - heart is working
- 2. Diastolic number
- - second number
- - relaxation phase
- - smaller than systolic number
- Meausred using:
- - sphygmomanometer
- - stethoscope