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mihalik
circulatory/respiratory systems
| Question | Answer |
|---|---|
| tissue made up of cells fluid and other substances which carries o2 co2 and nutrients through tubes called blood vessels | blood |
| organ that pumps blood | heart |
| o2 carrying pigmen rbc of blood | hemoglobin |
| chamber of heart that recieves blood from body | atrium |
| blood in right atrium is pushed through an_____________ valve into right ventricle | atrioventricle |
| one of twwo large muscular chambers that pump blood out of heart | ventricle |
| squeezes blood out of heart to lungs where co2 is removed and o2 enters | right ventricle |
| blood returns to heart at _______________ then pushed through an a-valve into __________ | left atrium/left ventricle |
| 3 types of vessels that carry blood through body | arteries, veins, capillaries |
| carry blood away from heart | arteries |
| carry blood to heart | veins |
| tiny blood vessels that connect arteries to veins | capillaries |
| about_______% of blood is plasma | 55% |
| plasma is a clear liquid that is about_____% water | 92% |
| 3 types of blood cells that make up blood | RBC, WBC, platelets |
| full of hemoglobin and carry o2 to body also return co2 to lungs | RBC |
| protect body from disease | WBC |
| blood clots | platelets |
| brings life giving o2 to body and helps get rid of co2 | respiratory system |
| process of bringing o2 in and getting rid of co2 | respiration |
| main organs of gas exchange | lungs |
| air enters body through _______ and __________ | mouth, nasal cavities |
| after air enters body, it flows into | pharynx, (throat) |
| at the base of the pyarynx is | larynx (voice box) |
| attached to larynx is _____________ which carries air into lungs | trachea (windpipe) |
| trache branches into 2 tubes _________ which send air to lungs | bronchus |
| in the lungs, bronchi branch into many tubes , smallest is called | bronchiole |
| at end of each bronchiole is an air sac called__________ which is site for gas exchange | alveolus |
| movement of rib muscles and ______________ pull air into lungs and push air out | diaphragm |
| sheet of muscle that seperates chest cavity from the abdominal cavity | diaphragm |
| controlled by brain stem that detects co2 in blood | breathing rate |