The Human Body Flashcards
What are the four basic reference systems of body organization?
Direction
Planes
Cavities
Structural units
Upper most part =
Lower most part=
Superior, inferior
————-means towards the front and _________ is a snynomous with it
Anterior, ventral
_______means toward the back and ________ is a synonymous with it
Posterior, dorsal
_________ or ________ means towards the head
Cephalad or cranial
____________means towards the midline, ____________means towards the side
Madeline, lateral
___________means near the point of attachment; __________ means away from the point of attachment
Proximal, distal
_________ or __________ vertically divides the body into equal halfs
Midsagittal, median plan
A sagittal plane is // to median or midsagittal plane
A _________ or a _________ divides the body into superior and inferior planes
Horizontal or transverse plane
A __________ or a ________ plane divides the anterior or ventral and the posterior or dorsal portions of the body at right angles to the sagittal plane
Frontal, coronal
What are the two main cavities of the body?
Dorsal and ventral cavity
What cavities are found in the dorsal cavity?
Cranial (contains the brain) and the spinal cavity (which contains the spinal cord)
What is the ventral cavity subdivided into?
Thoracic cavity (contains the heart in the pericardial cavity and the two lungs each in a pleural cavity) Abdominopelvic cavity which contains the digestive organs and some urinary reproductive organs.
What does the term parietal refer to?
The walls of a cavity
What does the term visceral refer to?
The covering of an organ
What is the most basic unit of the body’s organization?
The cell
What re the different types of cells that make up the four tissues?
Epithelial, connective, muscle, nervous
_________ are composed of cells integrated into tissues serving a common function
Organs
What does the integumentary system include?
Skin, hair, nails, sweat ad sebaceous glands
What is the function of the integumentary system?
It protects, regulates water and temperature