Week 4 Critical Thinking Exercise Our bodies are the result of adaptations that
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Week 4 Critical Thinking Exercise Our bodies are the result of adaptations that have accrued over billions of years. We often like to say that animals, and ourselves are "perfectly adapted" to our environments. This, however, is not true Many of our structures work well enough, but could definitely work better In fact, humans face many health issues as a result of this 1. Find examples in the literature of problematic body structures (certain skeletal sections, childbirth/hips, blood pressure regulation, etc) and describe its original function and how it has been adapted, however imperfectly, to our human body needs. What problems arise because of the way this structure has been altered or "forced" into another use? 2 is it possible that our intelligence in use of medicine, technology or alteration of the environment have interrupted the evolution of this structure any further?Explanation / Answer
Some of the examples of the problematic human body structures that shows the imperfrction of the adaptation:
Appendix
The Dual Function of the Pharynx
Our Inability to Biosynthesize Vitamin C
The Awkward Wiring of the Male Urinary Tract
The Close Proximity of our Genitals to our Rectum
Our Multi-Function Genitals
The Extremely Narrow Human Birth Canal
Our Over-Loaded Lower Backs
Our Achy Knees
The Overly Complicated Human Foot
The "Blind Spot" in Our Eyes
A Single Set of Adult Teeth
2. Yes our intelligence in terms of medicine, technology has helped us in getting rid of the problems arise due to these structures. With course of time it will lead to the evolution. Few things like development of resistance against some medicines, decreasing body hairs, choice of niche etc. all are related to the human intelligence role in adaptations and evolution. Our hinederance in the environment like cutting of trees, development of concrete forest etc. has led to a significant difference in the animals and human.
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