Week 3

List the main functions of the muscular and skeletal systems
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List the main functions of the muscular and skeletal systems
The bones of the skeletal system protect the body's internal organs, support the weight of the body, and serve as the main storage system for calcium and phosphorus. Skeletal muscles maintain posture, stabilize bones and joints, control internal movement, and generate heat.
Differences between cartilage and bone
- Bones are the hard, inelastic and a tough organ.
- Cartilage is a soft elastic and flexible connective tissue that protects the bone from rubbing against each other
Skeletal smooth cardiac muscle
- Skeletal muscle moves bones and other structures
- Cardiac muscle contracts the heart to pump blood
- the smooth muscle tissue that forms organs like the stomach and bladder changes shape to facilitate bodily functions
Main bones and joints off the body
Upper limb = Humerus, radius, ulna, carpals, metacarpals and phalanges
Upper limb joints = glenohumeral joint, ulnohumeral joint, radiocarpal joint
Pelvic girdle = pelvic bones (ilium, ischium, pubis)

- Lower limb = Femur, patella, tibia, fibula, tarsals, metatarsals and phalanges
Lower limb joints = knee joint, hip joint, talocurual joint (ankle joint)
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Main joints of the body
There are six such classifications: hinge (elbow), saddle (carpometacarpal joint), planar (acromioclavicular joint), pivot (atlantoaxial joint), condyloid (metacarpophalangeal joint), and ball and socket (hip joint)
What are muscles compartments
groupings of muscles, nerves, and blood vessels in your arms and legs. Covering these tissues is a tough membrane called a fascia. The role of the fascia is to keep the tissues in place, and, therefore, the fascia does not stretch or expand
Describe why a cardiovascular system is required to maintain body function due to differences between passive diffusion and convection transport of molecules
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Outline roles of the heart and blood vessels in the cardiovascular system
your heart and blood vessels, the parts of the cardiovascular system, are important because they bring oxygen, nutrients to cells in your body, they take away carbon dioxide and waste. the supply and the removal of waste is the main function of the cardiovascular system
what is normal heart rate
A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
what is stroke volume + what is normalthe volume of blood pumped out the the left ventricle of the heart during each systolic cardiac contraction normal = 50 to 100mlHow does total peripheral resistance affect cardiac output?any increases in cardiac output (HR/SV) blood viscosity or total peripheral resistance will result in increases in BPWhat is normal blood pressure?a normal blood pressure level is less than 120/80 mmHg.what is the concepts of psychiatry?Psychiatry is the branch of medicine focused on the diagnosis, treatment and prevention of mental, emotional and behavioral disorders.Classification involved in a mental illness/mental health condition diagnosisattempts to separate mental illnesses into diagnostic categories based on descriptions of symptoms (that is, what people say and do as a reflection of how they think and feel) and on the course of the illness.The symptoms and various aspects of Dementia- memory loss - difficulty concentrating finding it hard to carry out familiar daily tasks, such as getting confused over the correct change when shopping - struggling to follow a conversation or find the right word - being confused about time and place - mood changesThe symptoms and various aspects of Psychosis- hallucinations - delusions - confused and disturbed thoughtsThe symptoms and various aspects of schizophreniahallucinations - hearing or seeing things that do not exist outside of the mind. delusions - unusual beliefs not based on reality. muddled thoughts based on hallucinations or delusions.the symptoms of Mood Disorders- Irritability, aggression or hostility. - An ongoing sad, empty or anxious mood. - Changes in appetite or weight. - Changes in sleep patterns. - Difficulty concentrating. examples = Depression. Bipolar Disorderthe symptoms of Anxiety disorders- Feeling restless, wound-up, or on-edge. - Being easily fatigued. Having difficulty concentrating. - Being irritable. Having headaches, muscle aches, stomachaches, or unexplained pains. - Difficulty controlling feelings of worry. - Having sleep problems, such as difficulty falling or staying asleep.The psychological perspective on health, illness, and diseaseHealth Psychology emphasizes health and illness as being on a continuum and explores the ways in which psychological factors impact health at all stages. Therefore psychology is involved in illness onset (eg. beliefs, behaviours (smoking, diet), stress), help seeking