| A | B |
|---|
| respiratory | takes in oxygen & removes carbon dioxide & water |
| respiratory | trachea, bronchioles, lungs, mouth |
| endocrine | secretes hormones that control bodily functions |
| endocrine | pituitary gland, adrenal glands, thymus gland, thyroid gland, ovary, testes |
| digestive | aided by accessory organs such as the liver, gall bladder, pancreas and salivary gland |
| digestive | esophagus, stomach, intestines |
| digestive | breaksdown foodstuffs & absorbs them into the circulatory system |
| lymphatic | contains nodes that may inflame and indicate the presence of infection |
| lymphatic | nodes, tonsils, spleen |
| musclular | maintins the body's heat & posture |
| nervous | coordinates body actions & monitors the environment |
| nervous | brain, nerves |
| cardiovascular | transports nutrients, gases & chemical wastes |
| cardiovascular | heart, blood vessels |
| integumentary | skin, hair & nails |
| integumentary | first line of defense against infection; maintains body temperature |
| reproductive | produce offspring to maintain the species |
| reproductive | uterus, fallopian tubes, testes, vas deferens |
| lymphatic | drains fluid from around cells to eliminate swelling |
| urinary | ureters, urethra, bladder |
| urinary | removes liquid waste from the body |
| muscular | moves bones & protects organs |
| skeletal | cartilage, bones, joints |
| skeletal | provides support & protection |
| The extra credit codeword | heartbeat |
