ATI TEAS: Anatomy and Physiology Part 1
This flashcard set introduces foundational concepts in anatomy, including anatomical position, cells and their functions, directional terminology, and organ systems. It’s essential for building a basic understanding of human body structure and organization.
anatomical position
Standard positioning of the body as standing; feet together ; arms to the side ; with head; eyes, and palms of hands forward.
Key Terms
anatomical position
Standard positioning of the body as standing; feet together ; arms to the side ; with head; eyes, and palms of hands forward.
cells
The basic structural unit of an organism from which living things are created.
cellular functions
Processes that include growth, metabolism, and replication, protein synthesis, and movement
directional terminology
Words used to explain relationships of locations of anatomical elements. ( distal, posterior, medial).
organ systems
Functional groups of organs that work together within the body; circulatory, integumentary, skeletal, reproductive, digestive, urinary, respiratory...
organelle
A specialized part of a cell that has a specific function.
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| Term | Definition |
|---|---|
anatomical position | Standard positioning of the body as standing; feet together ; arms to the side ; with head; eyes, and palms of hands forward. |
cells | The basic structural unit of an organism from which living things are created. |
cellular functions | Processes that include growth, metabolism, and replication, protein synthesis, and movement |
directional terminology | Words used to explain relationships of locations of anatomical elements. ( distal, posterior, medial). |
organ systems | Functional groups of organs that work together within the body; circulatory, integumentary, skeletal, reproductive, digestive, urinary, respiratory, endocrine, lymphatic, muscular, nervous. |
organelle | A specialized part of a cell that has a specific function. |
organ | A self contained part of an organism that performs a specific function. |
reference planes | Planes dividing the body to describe locations: sagittal, coronal, and transverse. |
tissue | A group of cells with similar structure that function together as a unit, but a lower level than organs. |
alveoli | Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place. |
asthma | A lung disease characterized by inflamed, narrowed airways and difficulty breathing. |
bronchi | The main passageways directly attached to the lungs. |
bronchioles | Small passages in the lungs that connect bronchi to alveoli |
cystic fibrosis | A genetic disorder that affects the lungs and other organs, characterized by difficulty breathing, coughing up sputum, and lung infections. |
perfusion | The passage of fluid to an organ or a tissue |
pleura | A membrane around the lungs and inside the chest cavity |
surfactant | A fluid secreted by alveoli and found in the lungs |
tidal volume | The amount of air breather in a normal inhalation or exhalation |
trachea | The windpipe, which connects the larynx to the lungs |
ventilation | The movement of air in and out of the body via inhalation and exhalation |
arteries | blood vessels that deliver blood from the heart to other parts of the body. |
capillary | small blood vessels that connect to venules. |
diastole | the portion of the cardiac cycle in which the heart refills with blood. |
heart | the muscle that pumps blood throughout the body. |
| the protein in red blood cells that carries oxygen from the lungs to the rest of the body. |
leukocyte | white blood cells, which protect the body against disease. |
lymph | clear fluid that moves throughout the lymphatic system to fight disease. |
lymphocyte | a subtype of white blood cell found in the lymph. |
plasma | the pale yellow component of blood that carries red blood cells, white blood cells, and platelets throughout the body. |
systole | the portion of the cardiac cycle in which the heart expels blood. |
vein | blood vessels that carry blood to the heart. |
anus | the opening of the rectum from which solid waste is expelled. |
bolus | a mass of food that has been chewed and swallowed. |
chyme | the semifluid mass of partly digested food that moves from the stomach to the small intestine. |
enzymatic digestion | the breakdown of food by enzymes for absorption. |
gall bladder | the organ that stores bile |
large intestine | known as the colon, where vitamins and water are absorbed before feces is stored prior to elimination. |
liver | the organ that produced bile, regulates glycogen storage, and performs other bodily functions. |
mouth | the oral cavity at the entry to the alimentary canal. |
| the gland of the digestive and endocrine systems that produces insulin and secretes pancreatic juices. |
peristalsis | a series of muscle contractions that move food through the digestive tract. |
| the last section of the large intestine, ending with the anus. |
saliva | the clear liquid found in the mouth, also known as spit. |
small intestine | the part of the GI tract between the stomach and large intestine that includes the duodenum, jejunum, and ileum, where digestion and absorption of food occurs. |
stomach | the organ between the esophagus and small intestine in which the major portion of digestion occurs. |
autonomic nervous system | the part of the peripheral nervous system that regulates unconscious body functions such as breathing and heart rate. |
axon | a nerve fiber that carries a nerve impulse away from the neuron cell body. |
contraction | the process leading to shortening and/or development of tension in a muscle. |
involuntary | without intentional control. |
muscle | fibrous tissue that produces force and motion to move the body or produce movement in parts of the body. |
nerve | a bundle of nerve fibers that transmits electrical impulses toward and away from the brain and spinal cord. |
reflex | an involuntary action to a stimulus. |
relaxation | release of tension in a muscle |
synapse | the structure that allows neurons to pass signals to other neurons, muscles, or glands. |
cervix | the passage that forms the lower part of the uterus. |
estrogen | female sex hormones. |
fallopian tubes | tubes that carry eggs from the ovaries to the uterus. |
ovary | organ in which eggs are produced for reproduction. |
penis | organ for elimination of urine and sperm from the male body. |
prostate | the gland in males that controls the release of urine and secretes a part of semen the enhances motility and fertility of sperm. |
scrotum | the pouch of skin that contains the testicles. |
testes (testicles) | the organs that produce sperm. |
testosterone | the hormone that stimulates male secondary sexual characteristics. |
urethra | the tube that connects the bladder to the exterior of the body. |
uterus | The womb. |