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33 Cards in this Set

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  • Back
Forms the external body covering; protects deeper tissues from injury; synthesizes viamin D; site of culaneous receptors and sweat and oil glands
Protects and supports body organs; provides a framework the muscles use to cause movement; blood cells are formed within bones; stores minerals
Skeletal System
Allows manipulation of the environment, locomotion, and facial expression; maintains posture; produces heat
Muscular System
Fast-acting control system of the body; responds to internal and external changes by activitating appropriate muscles and glands
Nervous System
Glands secrete hormones and regulate processes such as growth, reproduction and nutrient use (metabolism) by body cells.
Endocrine System
Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients, wastes, etc; the heart pumps blood.
Cardiovascular System
Picks up fluid leaked from blood vessels and returns it to blood; disposes of debris in the lymphatic stream; houses white blood cells involved in immunity. The immune response mounts the attack against foreigh substances within the body.
Lymphatic System/Immunity
Keeps blood constantly supplied with oxygen and removes carbon dioxide, the gaseous exchanges occur through the walls of the air sacs of the lungs.
Respiratory System
Breaks down food into absorbable units that enter the blood for distribution to body cells; indigeswtible foodstuffs are elimated as feces.
Digestive System
Eliminates nitrogenous wastes from the body; regulates water, electrolyte and acid-base balance of the blood.
Urinary System
Overall function is production of offspring. Testes produce sperm and male sex hormone; ducts and glands aid in delivery of sperm to the female reproductive tract. Ovaries produce eggs and female sex hormones; remaining structures serve as sites for fertilization and development of the fetus. Mammary glands of female breasts produce milk to nourish the newborn.
Male and Female Reproductive System
What are the levels of structural organization?
Atom, Molecules, Cells, Tissue, Organ, Organ System, Organism.
What is Homeostatis?
Ability to Maintain relatively stable internal conditions even though the outside world changes continiously. "Unchanging"
What are the three controls of Homeostatis?
Receptor (sensor),
Control Center (set point)
Effector (Output to stimulus)
What is Negative Feedback?
Output shuts off original stimulus or reduces its intensity.
What is Positive Feedback?
"Snowballing Effect"
Labor Pains and Blood Clotting are Positive Feedback Mechanisms.
Superior (cranial)
Toward the head end or upper part of a structure or the body; above.
Inferior (caudal)
Away from the head end or toward the lowar part of a structure of the body; below.
Anterior (ventral)
Toward or at the front of the body; in front of.
Posterior (dorsal)
Toward or at the back of the body; behind.
Toward or at the midline of the body; on the inner side of.
Away from the midline of the body; on the outer side of
Between a more medial and a more lateral structure.
Closer to the origin of the body part or the point of attachment of a limb to the body trunk.
Farther from the origin of the body part or the point of attachment of a limb to the body trunk. The knee is distal to the thigh.
Toward or at the body surface. The skin is superficial to the skeletal muscles.
Deep (internal)
Away from the body surface, more internal. The lungs are deep to the skin.
Sagittal Plane
(arrow) verticle plane that divides the body into right and left parts. Median plane, midsagittal plane, parasagittal planes.
Frontal Plane
Lie vertically. Divide the body into Anterior and Posterior parts. Also called a coronal plane.
Transverse Plane
Horizontal plane runs from right to left dividing the body into superior and inverior parts. Also called a cross section.
Oblique Plane
A diagonal cut of a body part.
Dorsal Body Cavity
Protects nervous system organs. Contains cranial cavity, in the skull, and encases the brain. Also contains the vertebral or spinal cavity which runs within the vertebral column.
Ventral Body Cavity
Contains thorascic cavity and the abdominopelvic cavity. Collectively called the viscera or visceral organs.