well because tjey are small and could be transported in ships and in other transportation.
The energies we encounter as noticeable light are a thin cut from the expansive range of electromagnetic radiation. Our tactile experience of light is resolved to a great extent by the light vitality's wavelength, which decides the tone of a shading, and its power, which impacts splendor. After light enters the eye through the student, whose size is managed by the iris, a camera-like focal point centers the beams by changing its ebb and flow, a procedure called convenience, on the retina.
<h3><u>Connective tissue:</u></h3>
It is the layer under the epithelial tissue in the body. It is stronger than epithelial tissue and is found in many organs. It provides protection.
<h3><u>Epithelial tissue:</u></h3>
It covers the outside of the body like a veil. located in the outermost part of the body. Protects the body against microbes and infections.
<h3><u>Muscle tissue:</u></h3>
It is located in the joint areas and forms the support and movement system. It allows us to make bodily movements.
<h3><u>Nervous tissue:</u></h3>
It is the fastest communication tissue. It allows us to feel pain and the sense of touch. It is impossible to repair this tissue after it is damaged. It causes paralysis. It is very important as it plays a role in the activity of neural transmission.
Shivering occurs when the core temperature of the body begins to decrease which would threaten normal body function. Shivering is a response by the body to bring back temperature back to homeostasis. Trembling is the continual involuntary contraction of muscles. Muscle activity releases heat that warms up the body. This is the reason why we sweat during physical activities as the body sheds excess heat generated by the muscles in order to maintain the homeostatic body temperatures of 37 degrees centigrade.