What Are The 12 Parts Of The Body?

What are the 12 organ systems and their functions?

The main systems of the human body are:Circulatory system / Cardiovascular system: …

Digestive system and Excretory system: …

Endocrine system: …

Integumentary system / Exocrine system: …

Immune system and lymphatic system: …

Muscular system: …

Nervous system: …

Renal system and Urinary system.More items….

What is the longest thing in your body?

HumansThe longest bone in the human body is the femur.The largest artery is the aorta and the largest vein is the inferior vena cava.The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds).The largest external organ, which is also the largest organ in general, is the skin.More items…

What is the weirdest body part?

Ten weird body parts you didn’t know you still had – from claw retractors to a third eyelid1) A tail. Before you were born, you had a tail, albeit only for a few weeks. … 2) Third eyelid. … 3) Wisdom teeth. … 4) Darwin’s Point. … 5) Ear wigglers. … 6) Another nose. … 7) Claw retractor. … 8) Baby animal grip.More items…•

Is there gold in our body?

Plenty of elements on the periodic table can be found in the human body, and gold is no exception. An adult human body weighing 70 kg contains about 0.2 milligrams of gold.

What is your strongest muscle?

masseterThe strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.

What organ system is the skin in?

integumentary systemThe skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection.

How many parts are in the human body?

According to anatomy studies [50], human body parts can be divided into nine different parts by position: the head, neck, chest, abdomen, pelvis, back, hip, extremity, and trunk. In our ontology, the nine anatomical positions are regarded as the top level.

What are the 78 organs of the human body?

Among these 78 organs, five organs are considered as vital for survival. These include the heart, brain, kidneys, liver and lungs….Types of Organs in a Human Body.Adrenal GlandsBladderHeartKidneysPancreasPharynxThymus GlandTongueTestesSeminal vesicles13 more columns

What is the hottest organ of the human body?

LiverThe Liver -located on the right side of your body just above the stomach- that is considered the hottest in Temperature at average measures.

What is the biggest organ in the human body?

Body organs aren’t all internal like the brain or the heart. There’s one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

What are humans made of?

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

What are the 12 systems in the human body?

They are Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male).

What are the different parts of the body?

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. … The lungs. … The liver. … The bladder. … The kidneys. … The heart. … The stomach. … The intestines.

What are the 11 systems in the human body?

Functionally related organs often cooperate to form whole organ systems. There are 11 major organ systems in the human organism. They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.

What is the smallest organ in the body?

What’s the smallest organ in the human body? You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity.

What is the main part of body?

The three main parts of the body are: the head, the trunk and the limbs (extremities). The head is composed of the cranial and facial parts.

Who named all the body parts?

When the ancient Greeks were naming body parts, they were probably trying to give them names that were easy to remember, says Mary Fissell, a professor in the Department of the History of Medicine at Johns Hopkins.

What are the four major parts of the body?

The human body is a single structure but it is made up of billions of smaller structures of four major kinds: cells, tissues, organs, and systems. An organ is an organization of several different kinds of tissues so arranged that together they can perform a special function.