Human Body Systems

_____ blood cells fight germs that enter the body

an organ that filters certain body wastes out of the blood

these are the thinnest/tiniest blood vessels; only one red blood cell at a time can fit through

after blood picks up O₂ in the lungs, the oxygen-rich blood travels from the lungs to the _____

a thick-walled blood vessel that carries blood AWAY from the heart

this system takes in oxygen from the air and transfers it from the lungs into the blood

a blood vessel that carries blood BACK to the heart

a muscular organ that constantly pumps blood throughout the body

this system separates waste and removes it from the body

the ________ is a muscle that pulls air in and out of the lungs

blood drops off _________ into the lungs to be exhaled as a waste product

this organ FILTERS LIQUID waste out of the blood

this part of the digestive system passes nutrients into tiny blood vessels

air sacs in the lungs where gases move into and out of the blood

list each part of the digestive system in the order in which food travels

this part of the digestive system breaks food into small pieces

a part of the kidneys where waste materials are separated from useful materials in the blood

a tiny blood vessel

one of the two organs that fills with air when you inhale

an organ that stores liquid wastes from the kidneys temporarily

this system uses the heart, blood, and blood vessels to deliver oxygen and nutrients to cells

an organ that completes digestion and allows digested food to enter the blood

_____ blood cells carry oxygen to cells and pick up carbon dioxide

this organ eliminates SOLID wastes from the body

a large, flat muscle that pulls air in and pushes air out of the lungs

list the correct order for the circulation of blood after it picks up oxygen in the lungs

the thick tube-like organ that removes undigested waste

after oxygen-poor blood is brought back to the heart from the body, it is next sent to the ____

this organ stores LIQUID waste until it is excreted from the body

a muscular organ that changes food into a thick soupy liquid

breaking down food into simpler substances that your body can use

the long muscular tube that brings food into the stomach

a watery fluid that softens and moistens food

lungs take in ______ from the air and pass it into the blood to deliver to the body's cells

this system uses the mouth, stomach, & small intestines to turn food into nutrients cells use