What I Have Learned Activity 23 Copy the phrases or sentences that explain how the integumentary organ system work together. Write your answer in your activity notebook 1. The evaporation of sweat reduces the temperature of the skin's surface and cools the body. 2. The skin's key functions are to act as a barrier to the entrance of bacteria and viruses and prevent the leakage of water and extracellular fluids. 3. A person having black skin lacks melanin 4. Makes vitamin D through exposure to UV radiation, 5. Hypothalamus also induces dilation of the skin's blood vessels, allowing more blood to flow into certain regions, enabling the skin to emit heat. 6. Blackheads and acne are common to a person with oily skin 7. Capilaries on the skin's surface can open when the body needs to cool down and close when you need to stay warm. 8. Sunscreen protects people from the sun's rays. 9. Melanocytes from the second barrier protection against the adverse effects of UV radiation 10. Your nervous system relies on the nerves implanted in your skin to help you experience the outside world.
Our body needs to keep its temperature normal at 37 Degree Celsius. The sweat that is released from our body needs heat to get evaporated, in this process, the sweat absorbs the heat from inside our body and keeps our body to its normal temperature.
The skin's primary functions are to serve as a barrier to the entry of microbes and viruses, and to prevent water and extracellular fluid loss.
Albinism is a genetic condition affecting a person's skin. A person with albinism may have no color, lighter than normal skin color, or patchy missing skin color.
When your skin is exposed to sunlight, it manufactures vitamin D. The sun's ultraviolet B (UVB) rays interact with a protein called 7-DHC in the skin, converting it into vitamin D3, the active form of vitamin D
