Eng 121 Essay Example | Topics and Well Written Essays - 500 words - 2

Eng 121 - Essay Example It stimulates too certain physical reactions such as fading of facial appearance, widening of eyes and mouth opening, drying of mouth, raising of eyebrows, quickening of heart rates, increasing of blood pressure, tightening of muscles, redirecting of senses , erecting of skin hairs , nervous responses including shaking of hands etc. One has many fears - fear of death, fear of small creatures and animals like spiders, snakes, lion, tigers etc., heights, water including swimming, mountains, plane riding, driving, violence, the list is endless. Swimming is feared for drowning which may cause much fatal and can take away the life even. Some specific fear occurs as a result of learning in one’s life like, if a child falls in a well or pond and finds very difficult to come out then the child would remain afraid of water until his / her life. Fear sometimes becomes a part of human nature through natural selections like fear from animals, heights, clouds, etc. This human nature fear is also known as preparedness. Some fears occur through historical and cultural influences. Fear from universal truth like fear of death. Fear can be described in degree from mild to extreme and relates with variety of emotional states like anxiety. worry, terror, horror, panic attacks etc. which change the normal behavior. During childhood parents often find very difficult to consol their children that there is actual no fear despite it becomes a part of the life of the child. Childhood fear can have a negative effect on the growth of the child and may sometimes create problems in his / her life. Like other natural fears more peopl e are either fear from swimming or afraid of water. It is natural phenomena that water individual. It is highly recommended to share the fear with others who may not just help the victim in return but can benefit them too. There are many ways or approaches to deal fear:

Exercise metabolism Research Paper Example | Topics and Well Written Essays - 1000 words

Exercise metabolism - Research Paper Example These studies give an insight on how nutrition affects exercise performance and metabolism. They have different results and findings. However, all of them are geared towards understanding the connection between nutrition and exercise. Nutrients included in these studies include both artificial and natural nutrients. The paper also ensures gender balance because exercise metabolism and performance is different between men and women. Hence, it looks at findings of research done on women. Human beings have different capabilities to exercise. The capability of a human being to exercise is dependent on the biological ability of his or her body to change chemical energy in the skeletal muscle to mechanical energy. Adenosine triphosphate is the chief chemical energy source in skeletal muscles. During exercise, it is characteristic of ATP storage to be depleted fast if it is not quickly replenished. This is mainly caused by the increased demand for ATP resulting from exercise. In many scenarios, when exercising, ATP need and availability are exactly balanced. AT storage is also upheld. Hence, ATP providers in contracting skeletal muscles which are known as metabolic pathways quickly react to the high demand for ATP. What determines ATP demand? ATP demand is determined by the contraction rate of skeletal muscles and the power yield during exercise. Metabolic pathways are described by the enzymes that digest ATP in an exercise session. These enzymes include ATPase, potassiu m transport, and calcium transport ATPase, and actomyosin ATPase. These enzymes are related to the contraction – relaxation cycle (Hargreaves & Lawarence, 1). Homeostasis is key for the proper functioning of the human body, be it during exercise or at rest. Thus, ATP consumption must equal ATP use for homeostasis to be maintained. Diet is a paramount manipulator of the skeletal muscle utilization of ATP when exercising and recovering