Parts of synapses - Study guides, Class notes & Summaries

Adolescence correct answer: -GRADUAL period of transition from childhood to adulthood -Process of "soft" events rather than discrete events -Difficult to characterize precise onset and offset Puberty correct answer: -Attainment of sexual maturation -Just one of many adolescent transitions (initial puberty and late puberty) -Onset of the BIOLOGICAL CHANGES associated with adolescence in humans that often signals onset of adolescence, although timing varies among human adolescents Cr...

where does the spinal cord end in an adult - L1-L2 what is inferior to the end of the spinal cord - cauda equina how many spinal nerves for each section - 8 cranial, 12 thoracic, 5 lumbar, 5 sacral, 1 coxxygeal why are the spinal nerves mixed nerves? - because they contain both motor and sensory 4 parts of gray matter - anterior horns, posterior horns, lateral horns, gray commisure what in the gray matter contains the motor nuclei? - anterior horns what in the gray matter contains the sens...

adolescence correct answer: transition period from childhood to adulthood process of soft rather than discrete events difficult to characterize precise onset and offset puberty correct answer: attainment of sexual maturation onset of biological changes onset of adolescence in humans often signals onset of adolescence, although timing varies among human adolescents when are most brain structures complete? correct answer: around ages 5-6 critical period correct answer: the fi...

Trophic interactions between cells and tissues can promote all of the following EXCEPT: -increased heart rate -increased cell proliferation -cell survival -increased cellular differentiation - ️️Increased heart rate Proprioception is the awareness of the location of your body parts, provided by input from peripheral sensory receptors. True or false? - ️️True In sensory perception, is action potential frequency inversely proportional to stimulus intensity? - ️️No ...

The brain contains ___% of the body's neural tissue (interneurons) 97 There are about ____ billion neurons in the brain, supported by _____ cells 100;glial How many synapses per neuron 5000 How many synapses in brain 500 trillion Function of oligodendrocytes produce myelin sheaths Function of ependymal cells line cavities, produce CSF Function of microglia small macrophages Most abundant neuroglial cell astrocytes Function of astrocytes -form blood brain barrier -nourish neurons -reabso...

What is homeostasis? The regulation of the conditions inside your body and cells to maintain a stable internal environment, in response to changes in both internal and external conditions Name three coordination centres The brain, the spinal cord and the pancreas What is negative feedback? When your body brings the level of something (e.g. water or temperature) back to normal if it becomes too high or too low What detects a stimulus? A receptor, e.g. skin receptors detec...

PSY 101 Straighterline Final Exam Questions and Answers psychology -Correct Answer-the scientific study of behavior and mental processes science -Correct Answer-psychology uses systematic methods to observe human behavior and draw conclusions behavior -Correct Answer-everything we do that can be directly observed mental process -Correct Answer-The thoughts, feelings, and motives that each of us experiences privately but that cannot be observed directly critical thinking -Correct Answer-t...

Bios 286 - Exam 1 Already Graded A Functions of the brain ️central control of organs, consciousness, movement, problem solving, emotions, speech, perception Two types of cells in nervous system ️Neurons and glial cells Main purpose of neurons ️Receive and transmit info, sense environment, and muscle response Main purpose of glial cells ️Insulate neurons, transport nourishment, and assist with info processing Draw a diagram of a neuron ️Draw a diagram of a neuron Main part...

IUPUI Anatomy Final Exam Questions and Answers Already Passed What are the components of blood plasma? Clotting factors, nutrients, organic waste. NO PLASMA What protein is responsible for the majority of oxygen and carbon dioxide transport? Hemoglobin What cells are responsible for specific immunity in the body? Lymphocytes Diapedesis Movement through vessel walls What are the most numerous blood cells? Erythrocytes When does the heart make the "lub" sound? When the atrioventricular valv...

Central Nervous System - brain and spinal cord Rostral - toward forehead Caudal - Toward cord longitudinal fissure - divides cerebral hemispheres Gyri - folds Sulci - grooves cortex - surface layer of gray matter Nuclei (in brain) - deeper masses of gray matter ("mini brains" cluster of cell bodies) tracts - bundles of axons (white matter) Gray matter - neuron cell bodies, dendrites, and synapses (on outside of brain) White matter - bundles of axons; forms tracts that connect parts...