What is a cell in the body's levels of organization?
It is the basic unit from which tissues are formed.
Which level of organization is a cell?
The cellular level.
What makes up a tissue?
A collection of similar cells.
What makes up an organ?
Different tissues working together for a specific goal.
What makes up an organ system?
Different organs working together for a specific goal.
Which systems are organ systems of the human body?
The nervous, cardiovascular, integumentary, skeletal, endocrine, respiratory, muscular, urinary, digestive, and reproductive systems.
Why are named body regions used in anatomical descriptions?
They simplify describing and naming locations.
What is anatomical position used to describe accurately?
The locations of body parts.
What does superior mean in anatomical directional terminology?
Above.
What does anterior mean in anatomical directional terminology?
In front of.
Where do ventral and dorsal mean front and behind, respectively?
Only below the neck.
What does ipsilateral mean?
On the same side of the body.
What does medial mean relative to the body's midline?
Closer to the midline.
What does superficial mean relative to the body surface?
Closer to the body surface.
What does proximal mean relative to the trunk?
Closer to the trunk.
What do anatomical planes create?
Two-dimensional sections.
What does combining anatomical sections provide?
A three-dimensional map of the body.
What are the three main anatomical planes?
Sagittal, frontal or coronal, and transverse or axial.
What are the two major internal body cavities, and what do they contain?
The dorsal and ventral cavities each contain multiple internal organs and are closed to the outside.
Which cavities make up the dorsal cavity, and what does each contain?
The cranial cavity contains the brain, and the vertebral cavity contains the spinal cord.
Which cavities make up the ventral cavity, and what does each contain?
The thoracic cavity contains the heart and lungs; the abdominal cavity contains digestive organs; the pelvic cavity contains urinary and reproductive organs.
How many protective tissue layers make up the meninges?
Three.
What are the two surfaces of a serous membrane called?
The inner visceral surface and outer parietal surface.
What is the body's sequence of organization from cells to organisms?
Cellular, tissue, organ, organ system, and organism levels.
What do organ systems work together to support?
Body functions such as movement, protection, and gas exchange.
Which major regions are used to organize the body?
Cephalic, cervical, thoracic, dorsal, abdominal, pelvic, upper appendage, and lower appendage.
Which regions make up the cephalic region?
Frontal, nasal, buccal, oral, cranial, and occipital.
Which named regions belong to the upper appendage?
Brachial, antecubital, antebrachial, carpal, manual, and olecranal.
Which named regions belong to the lower appendage?
Femoral, patellar, popliteal, crural, tarsal, and pedal.
Where does a midsagittal plane run?
Along the midline.
Where does a parasagittal plane lie?
To the left or right of the midline.
What is one important use of anatomical planes?
Medical imaging.
When is the term coronal usually used for sections?
For sections passing through the skull.
How is the thoracic cavity subdivided, and what surrounds each lung?
It is divided into two pleural cavities and the mediastinum; one pleural cavity surrounds each lung.
Which organs does the mediastinum contain?
It contains the heart, trachea, esophagus, and other internal organs in the ventral cavity.
What does the subarachnoid space between the meninges contain?
Cerebrospinal fluid (CSF).
What is the serous membrane around the heart called?
The pericardium.
What fluid does the pericardial cavity contain?
Pericardial fluid.
What is the serous membrane around each lung called?
The pleura.
What fluid does the pleural cavity contain?
Pleural fluid.
Which organs does the peritoneum enclose?
Many abdominopelvic organs, including the stomach and intestines.
Answer 19 questions on Human Body Organization and Anatomy.
1. Which level of body organization is the basic unit from which tissues are formed?
2. What is a tissue in the organization of the human body?
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