What are the organ systems and their functions?
Organ Systems of the Human Body
| Organ System | Functions |
|---|---|
| Endocrine | Regulates body functions by chemicals (hormones) |
| Cardiovascular | Transports oxygen and nutrients to tissues Removes waste products |
| Lymphatic | Returns tissue fluid to blood Defends against foreign organisms |
| Respiratory | Oxygen/carbon dioxide exchange |
What are the 12 organ systems and their functions?
These different body systems include the skeletal, nervous, muscular, respiratory, endocrine, immune, cardiovascular/circulatory, urinary, integumentary, reproductive, and digestive systems.
What is meant by organ system?
An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.
What is largest body organ?
The skin is the body’s largest organ.
Where are the main organs in the body?
1. 4 Basic organs of the body
- Heart – Your heart is between the two lungs at the front of your chest.
- Lungs – your lungs are sponge-like organs.
- Liver – your liver is the organ below the lungs that acts like a filter for the blood.
- Kidneys – the kidneys are also filters.
How many organs are in our body?
Altogether there are seventy-eight main organs within the human body. These organs work in coordination to give rise to several organ systems. Among these 78 organs, five organs are considered as vital for survival. These include the heart, brain, kidneys, liver and lungs.
Where is kidney in our body?
The kidneys are a pair of bean-shaped organs on either side of your spine, below your ribs and behind your belly. Each kidney is about 4 or 5 inches long, roughly the size of a large fist. The kidneys’ job is to filter your blood.
What is the main function of kidney?
Their main job is to cleanse the blood of toxins and transform the waste into urine. Each kidney weighs about 160 grams and gets rid of between one and one-and-a-half litres of urine per day. The two kidneys together filter 200 litres of fluid every 24 hours.
How do kidneys function?
Your kidneys remove wastes and extra fluid from your body. Your kidneys also remove acid that is produced by the cells of your body and maintain a healthy balance of water, salts, and minerals—such as sodium, calcium, phosphorus, and potassium—in your blood.
What is the main function of the liver?
Functions of the liver. The liver regulates most chemical levels in the blood and excretes a product called bile. This helps carry away waste products from the liver. All the blood leaving the stomach and intestines passes through the liver.
What are the 2 main functions of the liver?
The primary functions of the liver are:
- Bile production and excretion.
- Excretion of bilirubin, cholesterol, hormones, and drugs.
- Metabolism of fats, proteins, and carbohydrates.
- Enzyme activation.
- Storage of glycogen, vitamins, and minerals.
- Synthesis of plasma proteins, such as albumin, and clotting factors.
Why is the liver so important?
The liver’s main job is to filter the blood coming from the digestive tract, before passing it to the rest of the body. The liver also detoxifies chemicals and metabolizes drugs. As it does so, the liver secretes bile that ends up back in the intestines.
What is the main function of heart?
The task of your heart is to pump enough blood to deliver a continuous supply of oxygen and other nutrients to the brain and the other vital organs.
What are the functions of heart?
It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.
What is the structure and function of heart?
The heart works as two pumps, one on the right and one on the left, working simultaneously. Blood flows from the right atrium to the right ventricle, and then is pumped to the lungs to receive oxygen. From the lungs, the blood flows to the left atrium, then to the left ventricle.