The human body organsOnline version Answer questions about the human body systems and their major organs and functions. by Ana Avellino A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Starts with A A neuron has three main parts: the dendrites, the cell body and the... Starts with B This is organ processes sensory information to tell the body how to react. Starts with C This is the smallest unit of life. Starts with D This systems allows us to process the food we eat and extract nutrients from it. Starts with E The organs that allow us to perceive sounds. Starts with F The job or task an organ performs is its... Contains G Our intestines can be ... or small. Starts with H This organ pumps blood around our body. Starts with I The organs we CAN'T see are called... Contains J Some organs are essential for our body to work properly, we call them ... organs. Starts with K These organs filter our blood to send waste into urine. Starts with L These organs are essential for breathing. Starts with M A stimulus is a ... received by our senses and sent to our brain. Starts with N These are like wires or cables, that connect our brain to each part of the resto of our body. Starts with O It can be unicellular or pluricellular. Starts with P Our nervous system has two main parts: the central nervous system and the ... nervous system. Starts with Q We can hear, feel, smell, see or taste things almost instantly because our brain works very... Starts with R This is the system in charge of our breathing. Starts with S This body system consists of bones, cartilage and tendons. Starts with T One of our five senses; connected to the skin. Starts with U This body system consists of the kidneys, the blader and the ureters. Starts with V Blood... are like tubes through which blood circulates around our body. Starts with W Substances our body has to eliminate. Contains X When we breathe out, we eliminate carbon... Contains Y The susbstance our lungs extract from the air we breathe in. Contains Z A chameleon is a type of ... that has independent eyes and the ability to change colours.