Body systems often work together to achieve a goal. For example, several body systems are involved when the body engages in what is known as the "fight-or-flight" response to possible danger. The diagram shows the body systems involved in this response. The Fight-or-Flight Response Immune System -slows down Respiratory System -breathing increases -more oxygen consumed Heart and Circulatory. System -heart beats faster Muscular System -blood flow increases -heart pumps more blood -blood pressure increases Endocrine System & Pancreas -release hormones Excretory System -sweating increases -blood flow to kidneys decreases -urine production decreases that constrict blood vessels, and increase heart rate and blood pressure -less insulin produced -blood sugar increases Digestive System -blood flow decreases -digestion decreases Which statements describe how systems interact to produce the fight-or-flight response? Select the two correct answers. O the digestive system creates hormones that are sent to the muscular system, resulting in increased blood flow to muscles. O The endocrine system floods the circulatory system with hormones that affect several other body systems. O The muscular system sends receptors to the circulatory system to increase blood pressure and heart rate. O The digestive system interacts with the excretory system, supplying hormones to slow the production of urine. O The endocrine system supplies the lungs with insulin, allowing increased absorption of oxygen. O The circulatory system experiences a change in blood flow, which allows the muscular system to obtain additional glucose.

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.