Want this question answered?
heart lungs and skin
1.it acts as the 1st line of defence against microbes 2.it gives out sweat as an excretory product 3.it stores lipids and waters 4.the skin provides a relatively dry and semi-impermeable barrier to fluid loss
building and repairing tissues(muscle).It helps keep hair,nails and skin healthy.protein is a source of energy..
The integumentary system includes the skin and its components (e.g. nails, hair). It functions as a temperature regulator, barrier against the environment, and as a sensory organ to inform the organism of its surroundings.
The hair shaft is the portion of the hair that projects above the skin, it has 3 layers.The 3 layers are the cuticle, the cortex and the medulla. If you need more information on the 3 layers respond back!
me,me, and me!
the 3 most important advances are:1.his life 2.his inventions 3.N/A
1.)they keep water in the body , 2.)they keep foreign partials out of the body 3.), gets rid of waste through sweating ,4.) you can feel things through nerve endings in your skin.
Connective tissue ( . )( . )
More than two do: 1. the integumentry system (skin) 2. the urinary system * 3. the respiratory system * 4. the digestive system * most important
7-Dehydrocholesterol is the substance that is within the skin. When this substance is exposed to UV radiation from the sun, it is converted into vitamin D-3 or cholecalciferol. This is the form our bodies use to help us increase the absorption of calcium and other functions.
In Sparta the most important part spartan life was developing a strong military. <3 :)