Feedback Loops
This term describes the body's ability to maintain a stable internal environment.
What is homeostasis?
This regional term refers to the head.
What is cephalic (or cranial)?
This directional term means toward the back of the body.
What is posterior (or dorsal)?
This large body cavity contains the brain.
What is the cranial cavity?
This organ system includes the heart and blood vessels and transports oxygen and nutrients throughout the body.
What is the cardiovascular (or circulatory) system?
This type of feedback loop amplifies or increases the original stimulus, like during childbirth.
What is positive feedback?
The term "brachial" refers to this part of the upper limb.
What is the arm (or upper arm)?
The heart is this directional term in relation to the lungs.
What is medial?
The heart and lungs are located in this body cavity.
What is the thoracic cavity?
This organ system, which includes the kidneys and bladder, filters waste from the blood and produces urine.
What is the urinary (or excretory) system?
In a feedback loop that regulates blood glucose, this hormone is released when blood glucose levels rise.
What is Insulin?
The "antecubital" region is located here, commonly used for drawing blood.
What is the anterior elbow (or front of the elbow)?
This term describes a position closer to the point of attachment or origin of a limb.
What is proximal?
The thoracic cavity is separated from the abdominopelvic cavity by this dome-shaped muscle.
What is the diaphragm?
The integumentary system consists primarily of this organ, which serves as the body's first line of defense.
What is the skin?
When blood sugar levels rise after a meal, this organ releases a hormone to lower glucose levels, demonstrating this type of feedback mechanism.
What is the pancreas (and negative feedback)?
This regional term describes the posterior surface of the knee.
What is popliteal?
The skin is this directional term in relation to the muscles beneath it.
What is superficial?
These two cavities together make up the dorsal body cavity.
What are the cranial cavity and vertebral (or spinal) cavity?
This organ system includes glands like the pituitary and thyroid that secrete hormones to regulate body functions.
What is the endocrine system?
This component of a feedback loop detects changes in the internal environment and sends information to the control center.
A: What is a receptor (or sensor)?
The "inguinal" region is the area where the thigh meets the trunk of the body.
What is the groin?
When comparing the sternum to the vertebral column, the sternum is this directional term.
What is anterior (or ventral)?
This membrane lines the abdominal cavity and covers the abdominal organs.
What is the peritoneum?
These two organ systems work together to deliver oxygen to cells and remove carbon dioxide—one exchanges gases while the other transports them.
What are the respiratory and cardiovascular systems?