Answer:The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
Explanation:
I think it is the Epidermis
The characteristic of life it represents is homeostasis.
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What is homeostasis?</h3>
Homeostasis is the body's attempt to maintain a constant internal environment.
One of the major ways the body achieves homeostasis is through excretion, the process of removing wastes and excess water from the body.
Thus, when the snakes excrete waste products produced from the breakdown of food for energy, the characteristic of life it represents is homeostasis.
Learn more about homeostasis here: brainly.com/question/1046675
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There are three main layers of skin. The epidermis, the outermost layer of skin creates a waterproof barrier and creates our skin tone. The dermis contains tough connective tissue, hair follicles and sweat glands. The last layer is the hypodermis which is made of fat and connective tissue
