Human Body Organs Flashcards

Grade 4 · Science · Flashcards

Practice identifying the major organs of the human body and their primary functions.

Flashcards

Heart: A muscular organ that pumps blood throughout the entire body.
Lungs: Two organs in the chest that take in oxygen and release carbon dioxide when you breathe.
Brain: The organ in your skull that controls all body functions and processes thoughts, feelings, and senses.
Stomach: A bag-like organ that breaks down food with acid and muscles after you swallow.
Small Intestine: A long, coiled tube where most digestion happens and nutrients pass into the blood.
Large Intestine: A wider tube that absorbs water from undigested food and moves waste out of the body.
Liver: The largest internal organ; cleans the blood and helps digest fats by making bile.
Kidneys: Two bean-shaped organs that filter waste from the blood and make urine.
Skin: The body's largest organ; protects everything inside and helps control body temperature.
Muscles: Tissues that contract and relax to allow movement of the body and organs.
Bladder: A sac that stores urine until the body is ready to release it.
Esophagus: The tube that carries food from the mouth down to the stomach.