toward bilateral symmetry and cephalization * Invertebrate Nervous Organization * In simple animals‚ such as sponges‚ the most common observable response is closure of the osculum (central opening) * Hydras (cnidarians) have a nerve net that is composed of neurons * Planarians‚ (flatworms) have a ladderlike nervous system * In annelids (earthworm)‚ arthropods (crab)‚ and molluscs (squid) the nervous system shows further advances * Cephalization - concentration of
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are for your level of expertise Sympathetic Nervous System Rapid‚ mid and upper lung breathing Anxious and agitated Numb to inner emotion and sensations External awareness amplified Thoughts revolved around finding the danger‚ now Ability to consider few options: all options relate to “freeze‚ fight‚ or flee” Feeling “I’ll be overwhelmed” Digestion inhibited Blood pressure rises Heart rate increases Parasympathetic Nervous System Slower diaphragmatic breath Unafraid‚ relaxed
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at nearly all times‚ under a demand of one sort or another. But Stress is more than that‚ as it is also a physiological process. As discussed in our reading the process of stress is not event specific‚ but rather a generalized response by our nervous system to certain chemicals produced when we are activated. That activation can be a Bear charging us‚ or a paper that is due‚ or
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Neuroscience and Behavior Neural Communication The Endocrine System Neurons The Brain How Neurons Communicate Older Brain Structures How Neurotransmitters Influence Us The Cerebral Cortex The Nervous System Our Divided Brain The Peripheral Nervous System Studying Hemispheric Differences in the Intact Brain The Central Nervous System 3 4 History of Mind Neural Communication Phrenology The body’s information system is built from billions of interconnected cells called neurons
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1012 Anatomy and Physiology Lab The Nervous System II: Anatomy Review 1. The somatic nervous system stimulates __Smooth__ muscle. The autonomic nervous system stimulates _Skeletal___ muscle‚ __Cardiac___ muscle‚ and _Glands___. 2. The autonomic nervous system (ANS) consists two divisions‚ each innervating the effector organs. The sympathetic nervous system (SNS) generally speeds up everything except digestion. The parasympathetic nervous system (PNS) generally slows down everything
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7 Threshold 8 Synapse 9 neurotransmitter 10 acetylcholine 11 Endorphins A branch of psychology concerned with the links between biology and behavior. A nerve cell; the basic building block of the nervous system. The bushy‚ branching extensions of a neuron that receive messages and conduct impulses toward the cell body. The extension of a neuron‚ ending in branching terminal fibers‚ which messages pass to other neurons or to muscles or glands.
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pathways‚ networks‚ and back-up systems. The two sides of the brain are similar but NOT identical. The human brain has plasticity: the ability to adapt to new environmental conditions. The brain responds and changes. (kind of like homeostasis). Psychobiology: the branch of psychology that deals with the biological bases of behavior and mental processes. Neurons: nerve cells Nervous system central nervous system/peripheral nervous system and the endocrine system which sends messages through the
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Chapter 2- Darwin was the first to suggest how evolutionoccurs. Humans belong to the primate family known as hominins. Characteristics that evolved to perform one function but were co-opted to perform another function are called exaptations. Each group of three consecutive nucleotide bases along the strand of messenger RNA is called a codon‚ which instructs the ribosome to add amino acids to the protein being constructed. Subsequent to the nature-nuture issue‚ a second line of thought surrounding
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the “Hold your Wee for a Wii” contest- Cannon’s Postulates are properties of homeostatic control systems in the body. 1. The nervous system has a role in preserving the “fitness” of the internal environment. The nervous system coordinates and integrates blood volume‚ blood osmolality‚ blood pressure‚ and body temperature‚ among other regulate variables. In regards to hyponatremia‚ the nervous system is increasing blood pressure‚ decreasing
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Nurse Practice Act Extra Credit Definition of Nurse Practice Act(s) Nursing practice acts in each state are laws that define the responsibilities of the nurse. The acts are intended to protect patients from harm as a result of unsafe or incompetent practice‚ or unqualified nurses. They contain general statements of appropriate professional nursing actions. The nurse must incorporate the nursing practice act with his or her educational background‚ previous work experience‚ institutional policies
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