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In order what are the 6 levels of organization in the human body? |
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1. Chemical
2. Cellular
3. Tissue
4. Organ
5. Organ System
6.Organismal |
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Transverse Plane
Median (midsagittal) Plane
Frontal Plane |
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Superior
Inferior
Ventral
Dorsal
Medial
Lateral |
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1. Toward head
2. Away from head
3. Toward the front of body
4. Behind
5. Toward the midline
6. Away from the midline |
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Intermediate
Proximal
Distal
Superficial
Deep |
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1. Between a more medial and more lateral structure
2. Closer to the orgin of the body part (or pt of attach)
3. Farther from the origin of a bady part (or pt of attach)
4. Toward or at the surface
5. Away from the body surface |
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4 abdominopelvic quadrants |
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Lines the pericardial cavity
[image] |
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Lines the thoracic cavity
[image] |
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Covers the organs in the abdominopelvic cavity
[image] |
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Lines the abdominopelvic cavity
[image] |
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| Several organs integrated to do a major physiological task |
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| Several tissues performing a specific function |
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| Similar cells with a common function |
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| Smallest units of living things |
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| Interactions among molecules such as water, DNA, and proteins |
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| What demonstrates:Positive feedback system (Blood Clotting) |
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| Regulation of blood clotting |
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| What demonstartes: Initial signal (blood clotting) |
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| Broken or damaged blood vessel |
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| What demonstrates: Response to initial signal (blood clotting) |
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| Blood platelets adhere to damaged site |
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| What demonstrates: Action of blood platelets (blood clotting) |
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| Release chemicals that attract more platelets |
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| Event that ends this positive feedback loop (blood clotting) |
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| Blood clot seals tear in damaged blood vessel |
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| The lower-middle portion of the abdomen |
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Hypogastric region
[image] |
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| The upper-middle portion of the abdomen |
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Epigastric region
[image] |
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| The abdominal regions that are lateral to the hypogastric region |
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Right and left inguinal regions
[image] |
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| The abdominal regions that are lateral to the umbilical region |
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| Left and right lumbar regions |
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| The abdominal regions that are lateral to the epigastric region |
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| Right and left hypochondriac regions |
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| Example of negative feedback system |
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| Regulation of body temperature |
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| Provides the means to respond to the stimulus |
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| Example of a regulated variable |
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| Monitors changes in environment |
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| Determines the set point and appropriate system response |
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| Contains the stomach, intestines, and spleen |
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| Contains the lungs and heart |
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| Contains the bladder and rectum |
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| Contains the teeth and tongue |
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| Part of respiratory passages |
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| Contains bones to transmit sound vibrations |
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| Associated with knee, elbow, and other joints |
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| Contains the brain and spinal cord |
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| Contains the pituitary and thyroid gland |
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| Contains the heart and blood vessels |
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| Contains the kidneys and bladder |
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| Contains the testes and ovaries |
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| Responds to internal and external stimuli |
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| Pumps and transports blood |
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| Eliminates nitrogenous wastes |
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| Bones, cartilage, and ligaments |
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| Trachea, bronchi, and lungs |
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| Stomach, intestines, and liver |
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| Spleen and white blood cells |
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| Supplies body with oxygen and eliminates carbon dioxide waste |
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| Defends the body from disease |
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| Separates the body's internal environment from the external environment |
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| A person with appendicitis will most often present with pain in the: |
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right lower quadrant.
The appendix is located in the right lower quadrant. |
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| The plane that divides the body into anterior and posterior parts is called the: |
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frontal plane.
The frontal, or coronal, plane divides the body into anterior and posterior parts. |
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| Homeostatic imbalance has occurred when a: |
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person becomes ill.
A person who has become ill is said to be out of homeostasis. In other words, they are suffering from a homeostatic imbalance. |
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| In order the 6 levels of organization? |
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Cellular, tissue, organ, organ system
The levels of complexity always begin with cellular and increase from there, ending with organ systems. |
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| Approximately what percentage of the air we breathe is made of oxygen? |
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| Air is made of approximately 20% oxygen. |
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| The cranial cavity is housed in: |
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The dorsal body cavity houses the cranial and vertebral cavities, whereas the ventral body cavity houses the thoracic and abdominopelvic cavities. |
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The spleen is the largest organ in the:
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lymphatic system
The lymphatic system houses several organs, the largest of which is the spleen |
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| An example of positive feedback? |
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Release of oxytocin to increase the strength of labor contractions
Sex
blood clotting |
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| What cavity is the spinal cord located in? |
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| The spinal cord is located in the dorsal body cavity. |
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What body system acts as a fast-acting control system for the body? |
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Nervous
The nervous system works very quickly to control all changes in the body. |
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What system functions to produce blood cells? |
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Skeletal
While the circulatory system circulates the blood cells, the skeletal system produces blood cells. |
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| What is not a nessesary life function? |
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| The branch of anatomy that traces structural changes that occur in the body throughout the life span is referred to as: |
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Definition
developmental anatomy.
This branch of anatomy studies all structures in one particular "region" of the body at the same time. |
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| If the human body temperature drops slightly below 37° C (98.6° F), the following occurs: |
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Definition
Metabolic reactions become slower
If the human body temperature drops below 37° C, metabolic reactions become slower. |
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| Divides the body in two equal but non-identical left and right parts along the midline. |
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| Which cavities lie in the dorsal cavity? |
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| cranial cavity and vertebral cavity |
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| The body cavity which houses the lung is known as the: |
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the pleural cavity.
The pleural cavity is where the lungs are located. |
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| If you know that the appendix lies in the right lower part of the trunk, you could also say it lies in the: |
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right inguinal region.
This is the medical term for the upper-right-hand corner of the trunk that runs along side the thoracic cage. |
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| What covers the outer surface of organs in a body cavity? |
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| The visceral serosa membrane |
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| The cavity between bones at the joint is known as |
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What is Positron emission tomography (PET):
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| CT scan that excels in observing the metabolic processes |
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| Negative feedback mechanisms are characterized by |
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having the output of a system cause a change in the system, and, as a result, less of the output is eventually produced.
The key to negative feedback is that some variable is out of balance and is brought back into balance.
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| Arms, legs, fingers, and toes belong to the _________ part of the human body. |
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appendicular
The appendicular body contains the arms, legs, and their distal extensions. |
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| What cavities are in the ventral body cavity? |
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| Abdominal, Pelvic, and Thoracic |
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