Bio-Comp Chapter 37 Word Scramble
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| Word | Definition |
| Alveoli | where oxygen and carbon dioxcide diffuses between air and blood |
| Respiration Order | mouth/nose : pharyex : passes epiglotis : through larynx : trachea : 2 bronchi |
| Blood | tissue made of plasma, cells and cell fragments |
| Plasma | 55% of volume of blood: straw colored |
| Fragments | suspended in fluid |
| Red blood Cells | round, disk shaped; 44% of blood; produced in red marrow; no nucli; 120 day life span |
| Oxygen in Blood | binds to hemoglobin in lungs; |
| Carbon Dioxide in Blood | Diffuses in blood; carried to lungs |
| White Blood Cells | protect foreign invaders; 1% of blood; has nucleus; larger |
| Platelets | Cell fragment that create a network of fibrin; produced in bone marrow; 1 week life span |
| Fibrin | form web over wound and trap cells to stop bleeding |
| Blood Types | O; A; AB; B |
| Rh (Rhesus) Factor | inherited; causes pregnancy problems (- mom carries + baby) |
| Arteries | large thick walled muscular elastic; carry oxygenated blood AWAY from heart; make heartbeat |
| Artery Breakdown | Arteries > Arterioles > capillaries > tissues |
| Capillaries | microscopic; walls are one cell thick; reach almost every cell easy diffusion; |
| Veins | carry blood BACK to heart; have valves that prevent back flow (gravity) |
| Atria | thin upper chambers, less muscular |
| Ventricles | lower chamber, does more work |
| Left Ventricle | pumps to entire body |
| Right Ventricle | pumps to lungs |
| Pulse | serge of blood moves through radial and carotid arteries |
| pacemaker | bundle of nerves at top of right atrium that generate and impulse that causes both atria to contract at almost the same time |
| EKG | Electrocardiograph; measures electrical impulses |
| Blood pressure | force on blood vessels |
| Systolic Pressure | rises when ventricles contracts (blood is pushed through arteries |
| Diatolic Pressure | falls when ventricles relax |
| Kidneys | filter out wastes in blood; 1 on each side of spine; |
| Inner Kidneys | renal medula |
| outer Kidneys | renal crtex |
| Ureter | tube leading from kidneys to blader |
| Bladder | smooth muscles bag that stores urine |
| Urine | liquid that remains in U-shaped tubule |
| Kidney Functions | control sodium level; regulate pH; filter glucose |
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