| Question | Answer |
| 1. Which vessels are responsible for exchanging materials with cells? | capillaries
|
2. Name 2 types of vessels that have one way valves. | veins & lymphatic vessels
| 3. The heart's NATURAL pacemaker is called the... | Sinoatrial node
| 4. Name one way the body increases the volume of the thoracic cavity during inhalation. | diaphragm contracts and flattens OR rib cage moves upward using muscles
| 5.Which vessels carry blood back to the heart? | veins
| 6. Which part of the CNS regulates breathing? | brainstem
| 7. Which types of cells found in the blood are used primarily to fight pathogens in the body? | WBCs/leukocytes & lymphocytes
| 8.Which must be done to the lymph before it can be dumped back in to the circulatory system? | filtered at the lymph nodes
| 9.Name the lymphatic tissue responsible for the development of some types of lymphocytes | Thymus
| 10.Name 2 types of respiratory diseases discussed in class that can make gas exchange more difficult? | emphysema, cystic fibrosis, asthma
| 11.How does the blood in the veins return to the heart? | skeletal muscle contraction
| 12.How is a pulmonary artery different than all other arteries in the body? | It carries oxygen deficient blood
| 13. What are the names of the 2 large veins that return all blood to the right atrium? | Superior & Inferior vena cava
| 14. What are the names of the 2 measurements of a blood pressure reading? | systolic, diastolic
| 15. What is the measurement of pressure in the arteries when the left ventricle is contracting? | systole
| 16. What is the name of the respiratory structures that perform the gas exchange between the environment and the blood ? | alveoli
| 17.Clotting factors are released by... | platelets
| 18.What determines whether a chemical or gas diffuses into or out of the blood stream? | concentration
| 19.What is the name of the large artery leaving the left ventricle? | aorta
| 20. What is the circulation between the heart and lungs called? | Pulmonary circulation
| 21. What happens to tissues when the lymphatic system does not effectively absorb the excess surrounding interstitial fluid? | swelling/edema
| 22. What is the name of the atrioventricular valve on the left side of the heart? | Mitral (Biscuspid) Valve
| 23. What is the name of the last valve the blood will pass through on its way to the lungs? | Pulmonary Valve
| 24. What is the name of the atrioventricular valve on the right side of the heart? | tricuspid valve
| 25.What is considered the "normal" blood pressure reading for a 20 yr old? | 120/70 |
