Organ System in Human

We have learnt about organ. Do you still remember what the organ is? Yap, Organ is a group of tissues that work together to perform a specific function. Now, we will discuss about organ system. What is Organ System? Organ means organ, you know. System means mechanism or an interconnecting network. So, organ system is different organs that work together to perform a common function.

Look at the Figure 1 below. Organ system is composed by different organs.  

 Figure 1

We human have 11 organ system in our body. What are they?

1. Integumentary System

2. Skeletal System

3. Muscular System

4. Nervous System

5. Endocrine System

6. Cardiovascular System

7. Lymphatic System

8. Respiratory System

9. Digestive System

10. Urinary System

11. Male and Female Reproductive Systems

Today, we will learn about Integumentary system

1. Integumentary system

Integumantary system composed by organs: skin, hair, and nails. The skin is the largest organ in the body. Do you know how large it is? It  has surface area between 1.5-2.0 square meters or equal to table of tennis [1]. Wooow..

Integumentary system functions in [2]

• Protection

Means it encloses and protects the body against pathogens and UV

• Temperature maintenance

Means it helps regulate body temperature by sweating

• Synthesis and storage of nutrients

Means it keep the fat in under the skin, produces vitamin D3. Vitamin D is sometimes called the “sunshine vitamin” because it’s produced in your skin in response to sunlight. Your body produces vitamin D naturally when it’s directly exposed to sunlight. Oh there is a interesting fact about vitamin D. Research has shown that vitamin D might play an important role in regulating mood and warding off depression. In one study, scientists found that people with depression who received vitamin D supplements noticed an improvement in their symptoms.[3]

• Sensory reception

Means it makes us can feel the touch

• Excretion and secretion

Means it produce sweat to regulate body temperature and eliminate wastes

okey can you describe