First week and chapter one notes
First week and chapter one notes BIOH 112 - 01
Popular in Human Form and Function I
Popular in Biological Sciences
BIOB 260 - 00
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This 4 page Class Notes was uploaded by Shania Notetaker on Friday September 4, 2015. The Class Notes belongs to BIOH 112 - 01 at University of Montana taught by Heather Dawn Labbe (P) in Fall 2015. Since its upload, it has received 79 views. For similar materials see Human Form and Function I in Biological Sciences at University of Montana.
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Date Created: 09/04/15
Come to study jam for this class it starts next Wednesday Marisa Human Anatomy form is the study of body structure Human physiology function is the scene of body functions including the study of homeostasis keeping the organs systems of the body in balance monitoring something around a set point or parameter Much easier knowing the parts and how they work Form and Function Aamp Sub Function physiology can never really be separated form structure anatomy Both will be studied together Each structure carries out a particular function P Structure mirrors function Cells of the liver hipatocells Livers purify blood and store essential nutrients Red Blood cells carry oxygen and hemoglobin binds to oxygen in the lungs divisions of Anatomy Surface anatomy is the study of form and marking of the body surface often explored through visualization or palpation without any cutting Gross Anatomy study of anatomical structures visible to unaided eye After making the appropriate surface marking proceeds through cutting Everything that you don t need a microscope to see Gross anatomy can be studied by two general approaches Systemic approach systemic anatomy Study all the blood vessels or all of the muscles or all of the bones at one time Regional approach regional anatomy Developmental anatomy study of the fertilized egg developing into its adult form Embryology subcategory of developmental anatomy conception to 8th week of gestation Histology study of tissues We will be doing a bit of that in the class when we get to chapter 4 Cytology like histology used a microscope but restricts the study to individual cellular structures Pathology study of anatomical changes due to disease Pathologists use gross inspection as well as cytologic histologic and laboratory examinations to discover the source of the disease Physiology Considers the operation of organ systems Renal kidney funciton Neurophysiology workings of the nervous system Cardiovascular operation of the heart and blood vessels Focuses on the functions of the body often at the cellular or molecular level Understanding physiology also requires a knowledge of physics which explains electrical currents blood pressure and the way muscle uses bone for movement We will be doing some physics in here for use of levers and other things but we won t go too far into it Levels of Structural Organization Chemical atoms combined to form molecules Cellular cells are made of molecules Tissue consists of similar types of cells Organ made up of different types of tissues Organ system consists of different organs that work closely together Organismal made up of the organ systems This list goes by each stage ie chemical makes up cellular and cellular makes up tissues etc What makes something a tissue there is some kind of integrity to it matrix and common function Immersion property All tissues in a level do NOT have to be the same How many tissues do you need to be an organ 3 different tissue type for example the lungs are organs as well as the stomach The bones are also organs and also the esophagus lots of tubes are organs Organ systems of the body she expects us to know about all of the organ systems even the ones we won t go into detail with lntegumentary system Forms the external body covering Composed of the skin protects our bodies sweat glads oi glands hair hair follicles are wrapped with nerve endings sensory perception and nails Protects deep tissues form injury and synthesizes vitamin D which has antiinflamatory properties Skeletal system will go into a lot of detail with the skeletal system Composed of bone cartilage and ligaments Protects and supports body organs Provides framework for muscles which generate force Site of blood cell formation Stores minerals particularly calcium which is VERY important for cellular function Muscular system will go into a lot of detail Composed of muscles and tendons Allows manipulation of the environment locomotion and facial expression Maintains posture Produces heat shivering Cardiac muscles smooth muscle associated with most other organs Musculoskeletal is a merging of the muscular and skeletal muscles Tendons attach muscles to bones Nervous system Composed of the brain spinal column and nerves It is the fastacting control system of the body This is how we get things done But it is not the only control system Responds to stimuli by activating muscles and glands Endocrine System we are going to stop here this semester but we still need to know it Composed hormone producing glands and cells Is the slowacting control system of the body Not technically slow its just slower acting than the nervous system Target specific using chemical messengers Doesn t have to travel in the bloodstream Pretty much everything in your body can be connected to the endocrine system because a lot of things produce hormones But hormones are very specific with their functions Cardiovascular system Composed of the heart and blood vessels Chapter 1 an introduction to the human body Heat pumps blood Blood vessels transport blood throughout the body Arteries carry blood away from the heart Capillary beds where we do the exhange with oxygen and blood and carry the blood back to the hear via veins Veins carry blood to the heart Lymphatic system composed of red bone marrow thymus spleen lump nodes and vessels Picks up fluid leaked from blood vessels and returns it to blood Disposes of debris in the lymphatic stream Houses white blood cells involved with immunity Only goes one way They drain away excess fluid from interstitial space which is the space between cells The lymphatic system is the garbage truck of the body Where does that fluid go it drains into the venus veins Respiratory system Composed of the nasal cavity pharynx trachea bronchi and lungs Keeps blood supplied with oxygen and removes carbon dioxide Overall function is for gas exchange Digestive system Composed of the oral cavity esophagus stomach small intestine large intestine rectum anus and liver Breaks down food into absorbable units that enter the blood Eliminates indigestible foodstuffs as feces Urinary system