The Red Ambulance
One-way _________ keep the blood moving back towards the heart.
Valves
Flow of blood to and from the tissues of the heart
Coronary circulation
What are the threadlike fibers that form over a wound?
Fibrin
Chemical in red blood cells that carries oxygen from the lungs to blood cells back to the lungs
Hemoglobin
How many 1-L bottles of blood does an adult possess in their body?
5
Largest part of the circulatory system, in which oxygen-rich blood flows to all the organs and body tissues
Systemic circulation
What is heart failure? What two symptoms do people with heart failure typically have?
Heart cannot pump blood correctly
Short of breath and tired
Which response of your body is the lymphatic system mostly responsible for?
Immune response
Flow of blood through the heart to the lungs and back to the heart
Pulmonary circulation
Why are blood cells different from other cells in your body?
They don't have nuclei
What are the three types of blood vessels?
What is the order for the 3 types?
Capillaries - vessels - arteries (or backwards)
What is hypertension? Why is it a bad thing?
High blood pressure
Creates extra strain on the heart, works too hard
What three other organs are important lymphatic organs?
Tonsils, thymus, spleen
Where are red blood cells created?
Femur
What are the two types of pressure for measuring blood pressure? Which one is the higher one?
Systolic and diastolic
Systolic
Blood moves _____________ and _____________ to cells and carries _____________ _____________ and other ____________ away from the cells.
Oxygen, nutrients, carbon dioxide, wastes
What is a normal resting pulse rate for an adult? A child?
Adult: 60-100
Child: 80-100
What is the ratio of red blood cells to white blood cells in your body?
1000:1
Explain the direction of blood flow in the heart by putting these in order: lungs, left atrium, left ventricle, right atrium, right ventricle.
right atrium, right ventricle, lungs, left atrium, left ventricle
What are the four blood types? Which one is the universal donor? Which one is the universal receiver?
AB, A, B, O
Receiver: O
Donator: AB
Pull up heart label. Label the parts of the heart
1. Left atrium
2. Left ventricle
3. Right atrium
4. Right ventricle
5. Aorta
6. Vena cava
7. Pulmonary artery
8. Valves
What are 5 ways you can improve your heart health?
1. Healthy diet
2. Exercise
3. Rest/relax
4. Don't smoke
5. Regular checkups
What is atherosclerosis? What can it cause? How can you prevent it?
Fatty deposits build up in arterial walls.
Heart attack
Healthy diet
What are the 4 functions of blood?
1. Blood carries oxygen to body, brings carbon dioxide away
2. Carries waste products to kidneys
3. Transports nutrients and other substances
4. Fight infections and heals wounds
What is leukemia? How can they treat this disease?
White blood cells are reproducing too fast
Medicine, blood transfusions, and bone marrow transplants