Anatomy Chapter 1 Flashcards
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Questions and Answers

The sternal region of the body is __________ to the umbilical region.

superior

The plane that divides the body into anterior and posterior parts is called the?

frontal (coronal) plane

Example of homeostatic imbalance?

disease

Increasing complexity includes which of the following levels?

<p>cell, tissue, organ, organ system, organism</p> Signup and view all the answers

What percentage of air we breathe is made of oxygen?

<p>20 percent</p> Signup and view all the answers

Cranial cavity is part of what?

<p>The dorsal body cavity</p> Signup and view all the answers

Positive feedback is one of the 3 components of homeostatic control systems.

<p>False</p> Signup and view all the answers

The respiratory system contains which structures?

<p>nasal cavity, pharynx, larynx, trachea, bronchi, lungs</p> Signup and view all the answers

The spleen is an organ of what system?

<p>lymphatic system</p> Signup and view all the answers

What is an example of positive feedback?

<p>Labor contractions causing release of oxytocin</p> Signup and view all the answers

The spinal cord is housed in the ventral body cavity.

<p>False</p> Signup and view all the answers

Which two systems monitor the body for homeostasis?

<p>nervous and endocrine</p> Signup and view all the answers

Which of the following body systems functions to produce blood cells?

<p>Skeletal</p> Signup and view all the answers

Intelligence is a necessary human life function.

<p>False</p> Signup and view all the answers

What does the principle of complementarity of structure and function state?

<p>What a structure can do depends on its specific form.</p> Signup and view all the answers

What membrane directly covers the heart?

<p>visceral pericardium</p> Signup and view all the answers

What branch of anatomy traces structural change throughout the life span?

<p>Developmental anatomy</p> Signup and view all the answers

The ability to sense changes in the environment and respond to them is called ________.

<p>responsiveness</p> Signup and view all the answers

What are tissues?

<p>Groups of cells with a common structure and function.</p> Signup and view all the answers

Blood clotting is NOT a result of a negative feedback mechanism.

<p>True</p> Signup and view all the answers

Describe the anatomical position.

<p>Erect, feet forward, arms at side with palms facing forward, head facing forward.</p> Signup and view all the answers

What are axial body parts?

<p>Makes up the main axis of our body, includes the head, neck, and trunk.</p> Signup and view all the answers

What is the median or midsagittal plane?

<p>Sagittal plane that divides the body into 2 equal right and left regions.</p> Signup and view all the answers

What do the digestive and cardiovascular systems do?

<p>Digestive breaks down foods into nutrients and the blood delivers those to every cell in the body.</p> Signup and view all the answers

Which body cavity houses the lungs?

<p>pleural cavity, thoracic</p> Signup and view all the answers

What structures are located in the right lower quadrant (inguinal region)?

<p>cecum, appendix, right ovary and tube, right ureter, right spermatic cord</p> Signup and view all the answers

What is housed in the orbital cavity?

<p>eye</p> Signup and view all the answers

What is serous fluid?

<p>Lubricates the organs and allows them to glide without friction, increasing movement.</p> Signup and view all the answers

The cavity between articulating bones at most joints is known as the __________.

<p>synovial cavity</p> Signup and view all the answers

In metabolic processes, what is the term for making more complex molecules from simpler substances?

<p>anabolism</p> Signup and view all the answers

Study Notes

Body Regions and Planes

  • The sternal region is located superior to the umbilical region.
  • The frontal (or coronal) plane divides the body into anterior and posterior parts.

Homeostasis

  • Homeostatic imbalance can lead to disease.
  • The two systems responsible for monitoring homeostasis are the nervous and endocrine systems.
  • Positive feedback is not a component of homeostatic control mechanisms.

Body Organization

  • Complexity of biological organization progresses from cell to tissue, organ, organ system, and ultimately to the organism.
  • Tissues consist of groups of cells sharing a common structure and function.

Air Composition

  • Oxygen comprises 20% of the air we breathe.

Body Cavities

  • The cranial cavity is part of the dorsal body cavity, while the ventral body cavity includes the thoracic and abdominopelvic cavities.
  • The spinal cord is not housed in the ventral body cavity.
  • The pleural cavity specifically houses the lungs.

Organ Systems

  • The respiratory system includes the nasal cavity, pharynx, larynx, trachea, bronchi, and lungs.
  • The spleen is part of the lymphatic system.
  • The skeletal system is responsible for producing blood cells.

Feedback Mechanisms

  • An example of positive feedback is labor contractions stimulated by oxytocin.
  • Negative feedback does not include processes like blood clotting in response to a blood vessel injury.

Life Functions

  • Intelligence is not considered a necessary function for human life.
  • Responsiveness is the ability to sense and respond to environmental changes.

Anatomical Terms

  • The anatomical position is characterized by being erect, with feet forward, arms at the sides, palms facing forward, and head facing forward.
  • The median or midsagittal plane divides the body into equal right and left regions.

Specific Body Structures

  • The visceral pericardium directly covers the heart.
  • The orbital cavity houses the eyes.
  • The right lower quadrant (inguinal region) contains the cecum, appendix, right ovary and tube, right ureter, and right spermatic cord.

Metabolism

  • Anabolism refers to metabolic processes that synthesize complex molecules from simpler ones.
  • Serous fluid acts as a lubricant for organs, facilitating movement without friction.
  • The synovial cavity is the space between articulating bones at most joints.

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Test your knowledge on the fundamental concepts of human anatomy with these flashcards from Chapter 1. Explore key terms such as body regions, planes, and homeostasis. Perfect for students looking to reinforce their understanding of anatomical terminology.

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