8 organs of human body explain as well as explain how their names are derived?
Answers
Answer:
Skip to content
Home - Education and Training. Victoria State Government logo
Search
Science continuum archive
Internal body organs
This focus idea is explored through:
Contrasting student and scientific views
Critical teaching ideas
Teaching activities
Further resources
Contrasting student and scientific views
Student everyday experiences
Younger primary students may have little knowledge about internal bodily organs. They tend to think the contents of the body are what they have seen being put into or coming out of it, such as food and blood. Their experiences with everyday cuts, scratches and bruises seem to reinforce a view that blood is below the surface of the skin, filling the spaces inside the body (like a bag of blood).
Older children are more likely to be able to list a large number of organs but may not fully understand the function or interconnected nature of these. For example, students at these levels may realise that the heart is a pump but not realise that the blood returns to the heart, or they may believe that the brain helps the body parts but not always realise that the body helps the brain.
Research: Fleer & Hardy (1996), Gellert (1962), Carey (1985)
Scientific view
2 students are drawing onto an outline of a body on a large piece of paper.To survive and reproduce, the human body relies on major internal body organs to perform certain vital functions. When two or more organs along with their associated structures work together they become component parts of a body system.
Some of the easily recognisable internal organs and their associated functions are:
The brain
The brain is the control centre of the nervous system and is located within the skull. Its functions include muscle control and coordination, sensory reception and integration, speech production, memory storage, and the elaboration of thought and emotion.
The lungs
The lungs are two sponge-like, cone-shaped structures that fill most of the chest cavity. Their essential function is to provide oxygen from inhaled air to the bloodstream and to exhale carbon dioxide.
The liver
The liver lies on the right side of the abdominal cavity beneath the diaphragm. Its main function is to process the contents of the blood to ensure composition remains the same. This process involves breaking down fats, producing urea, filtering harmful substances and maintaining a proper level of glucose in the blood.
The bladder
The bladder is a muscular organ located in the pelvic cavity. It stretches to store urine and contracts to release urine.
The kidneys
The kidneys are two bean-shaped organs located at the back of the abdominal cavity, one on each side of the spinal column. Their function is to maintain the body’s chemical balance by excreting waste products and excess fluid in the form of urine.
The heart
The heart is a hollow, muscular organ that pumps blood through the blood vessels by repeated, rhythmic contractions.
The stomach
The stomach is a muscular, elastic, pear-shaped bag, lying crosswise in the abdominal cavity beneath the diaphragm. Its main purpose is digestion of food through production of gastric juices which break down, mix and churn the food into a thin liquid.
The intestines
The intestines are located between the stomach and the anus and are divided into two major sections: the small intestine and the large intestine. The function of the small intestine is to absorb most ingested food. The large intestine is responsible for absorption of water and excretion of solid waste material.