Zool 2403 - Study guides, Class notes & Summaries

Frontalis - broad, anterior, and superficial muscle - covers frontal bone of skull - aids in raising eyebrows, wrinkling the forehead, and pulling scalp forward orbicularis oculi - sphincter muscle of the eye - circular band around circumference of the eye - allows you to close an eye orbicularis oris - muscle that surrounds the mouth - involved in shaping the lips for functions such as food manipulation, puckering, and speech Depressor labii - located between the symphysis and mental fo...

Anatomy - Answer-Describes the structures of the body Supine - Answer-lying face up Prone - Answer-lying face down Medial - Answer-toward the midline Lateral - Answer-away from the midline superior - Answer-above Inferior - Answer-below Anterior - Answer-toward the front Posterior - Answer-toward the back proximal - Answer-closer to point of attachment to trunk distal - Answer-Farther from the trunk of the body Transverse plane - Answer-horizontal division of the body into upper and l...

Anatomy - Describes the structure of the body. Sturcture - Structure determines function Atoms - -the smallest chemical units -ex. hydrogen (H), oxygen(O) Molecules - - groups of molecules working together -Ex. Mitochondria, sarcoplasmic reticulum Cells - Groups of organelles working together and surrounded by a cell membrane. Tissue - -group of cells working together to perform a SPECIFIC task. Microscopic Anatomy - Examines - Cells -Tissues Cytology- - Examines Cells...

Root is to ____ as ganglion is to ___ - ️️axons; cell bodies ventral is to ____ as dorsal is to _____ - ️️motor; sensory white matter is to ____ as gray matter is to ____ - ️️axons; cell bodies Spinal Meninges (three layers) - ️️dura mater, arachnoid mater, pia mater Spinal Meninges functions - ️️protect spinal cord and provide it with oxygen and nurtrients where is CSF - ️️in subarachnoid space (between arachnoid and pia mater) CSF provides spinal cord ...

Root is to ____ as ganglion is to ___ - Answer-axons; cell bodies ventral is to ____ as dorsal is to _____ - Answer-motor; sensory white matter is to ____ as gray matter is to ____ - Answer-axons; cell bodies Spinal Meninges (three layers) - Answer-dura mater, arachnoid mater, pia mater Spinal Meninges functions - Answer-protect spinal cord and provide it with oxygen and nurtrients where is CSF - Answer-in subarachnoid space (between arachnoid and pia mater) CSF provides spinal cord with: ...

what describes the structure of the body. - Answer-Anatomy what determines function - Answer-Structure -the smallest chemical units -ex. hydrogen (H), oxygen(O) - Answer-Atoms - groups of molecules working together -Ex. Mitochondria, sarcoplasmic reticulum - Answer-Molecules groups of molecules working together - Answer-organelles - Groups of organelles working together and surrounded by a cell membrane. - Answer-Cells - form the smallest living units in the body - Answer-cells -group o...

seminiferous tubules - Answer-The testes contain ____ ____ sperm are produced The Juxtaglomerular Apparatus is a(n) ___ composed of macula densa which are specialized epithelial cells in the Distal Convoluted Tubule (DCT) - Answer-Endocrine structure If decreased blood pressure is sensed by the Juxtaglomerular (JG) cells, the JG cells release the hormone renin, which activates angiotensin (also hormone). Angiotensin causes vasoconstriction and secretion of aldosterone (mineralocorticoid hor...

What does the Central Nervous System include? - Answer-brain and spinal chord What does the Peripheral Nervous System include? - Answer-all nervous tissue outside the CNS One of the functions of the CNS is to interpret ____ information from the ____. - Answer-sensory, PNS The sensory information that comes in from the CNS is___. - Answer-Sensations One of the functions of the CNS is to send ____ commands to the ____ - Answer-motor, PNS The signals the CNS sends out produces____. - Answer-mo...

What does the Kidney do? - ️️Produces Urine Functions of Kidney - ️️1. Excretion -removal of wastes from body fluids into urine 2. Regulation of Blood -Ions a. control blood Na+ (sodium), K+ (potassium), and Cl- (chloride) levels -ph a. control blood H+ (hydrogen) and HCO3- (bicarbonate) levels -Pressure and Volume a. control blood fluid volume and therefore blood pressure What three processes do the Kidneys use to perform their functions? - ️️-Filtratio...