Anatomy and Physiology Quiz

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

Differentiation is the process by which cells become specialized to perform specific functions.

A negative feedback loop is a mechanism in which the body responds to a stimulus by opposing the original change. An example is the regulation of body temperature.

<p>A positive feedback loop is a mechanism in which the body responds to a stimulus by amplifying the original change. An example is the process of childbirth.</p> Signup and view all the answers

<p>The body cavities include the cranial cavity (contains the brain), the thoracic cavity (contains the heart and lungs), the abdominal cavity (contains the digestive organs), and the pelvic cavity (contains the reproductive organs).</p> Signup and view all the answers

<p>The main functions of the skeletal system are to provide support and structure to the body, protect internal organs, produce blood cells, and assist in movement.</p> Signup and view all the answers

<p>The respiratory system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment. It brings in oxygen through inhalation and eliminates carbon dioxide through exhalation.</p> Signup and view all the answers

<p>The circulatory system, also known as the cardiovascular system, is responsible for the transportation of oxygen, nutrients, hormones, and waste products throughout the body. It consists of the heart, blood vessels, and blood.</p> Signup and view all the answers