| A | B |
|---|
| lungs | what do you breath with has tiny aveoli |
| trachea | connects mouth to bronchi |
| bronchi | connects trachea to lungs |
| blood | is in vein or artery in body, carries oxygen |
| vein | takes blood to the heart |
| heart | body's pump |
| small intestine | absorbs nutrients in digestive system |
| large intestine | absorbs water from the digested food |
| stomach | Acids and enzymes break down food here |
| bone marrow | makes red blood cells, inside your bones |
| tonsils | two organs in the back of the throat which sometimes have to be removed |
| spleen | recycles red blood cells |
| kidney | removes waste from the blood, turns the waste into urine |
| ureter | takes waste to the bladder |
| thyroid | makes thyroxin which controls your metabolism |
| urinary bladder | holds urine |
| adrenal gland | makes adrenaline |
| spinal cord | handles reflex actions |
| brain | processes most information in our bodies |
| artery | takes blood away from the heart |
| pancreas | regulates blood sugar with insulin and glucagon |
| cerebellum | controlls balance and coordination |
| pituitary | makes growth hormone |
| reproductive system | This organ system is the place where meiosis takes place in humans |
| immune system | protects us from harmful bacteria and viruses |
| digestive system | turns food into chemical energy for us to use |
| circulatory system | System that takes materials all around your body |
| endocrine system | This system uses glands and hormones to do its job |
| nervous system | This system is made of motor neurons, sensory neurons, and interneurons |
| excretory system | This system removes wastes from the body |
