Ib sehs topic - Study guides, Class notes & Summaries

IB SEHS, Topic 3.1 Nutrition Already Graded A Macronutrients compounds that primarily provide energy and required in large quantities includes carbohydrates, protein, lipids/fats, and water Function of carbohydrates act as metabolic fuels and energy storage Function of protein structure: muscle, bone, skin transport/communication: hormones, neurotransmitters, plasma proteins protection: antibodies, mucus enzymes: digestion, metabolic pathways Function of lipids/fats energy sourc...

Topic 6 IB SEHS Complete Solutions Standard Deviation ️spread of scores around the mean or average Error Bars ️are a graphical representation of the variability of the data, depict standard deviation Normal Distribution ️when 68% of all values are between +/- 1.0 standard deviation and 95% lie between +/- 2.0 Coefficient of Variation ️the ratio of the standard deviation to the mean expressed by a percentage T-test ️inferential statistical test- p value must be <5% Pair...

IB SEHS - Topic 5.2 Already Graded A Exteroceptors ️Provide information about the external environment. Exteroceptors involved in sensation with regard to sport are vision and audition. Proprioceptors ️Proprioception means "sense of self". In the limbs, the proprioceptors are sensors that provide information about joint angle, muscle length, and muscle tension, which is integrated to give information about the position of the limb in space. Interoceptors ️Provide information ...

IB SEHS HL - Topic 9 – Fatigue Already Graded A+ Fatigue in sport ️A reversible exercise-indulged decline in performance Peripheral fatigue ️Develops rapidly and is caused by reduced muscle cell force Central (mental) fatigue ️develops during prolonged exercise and is caused by impaired function of the central nervous system (CNS) High-intensity exercise ️lasts for less than a second, or as long as 1-2 minutes. E.g - interval training, plyometrics. Derived from anaerobic ...

Specificity - ANSWERSMeasuring the skills needed for a sport can see how well the athlete can maintain that skill when repeatedly doing it. Accuracy - ANSWERSChecking if the instruments you're using in an experiment are working properly Reliability - ANSWERSif you repeated the test again are you likely to get similar results Validity - ANSWERSDoes the test actually test what is tests Control group - ANSWERSa bunch of people are put into a group that doesn't get any special trea...

IB SEHS Topic 6 latest exam review rated A

Progression - ANSWERSProgressively overloading the body's systems and increasing training stimulus over time to increase the fitness adaptations gradually. Overload - ANSWERSTo improve on any aspect of physical fitness, an athlete must continually increase the demands placed on the appropriate body systems. Reversibility - ANSWERSIf the training plan is terminated then fitness improvements will return to pretraining values. the effect Detraining is much faster with muscle endurance in c...

Summary of the IB SEHS Unit 4.3 (fundamentals of biomechanics). You will find detailed yet summarized information on the topic, organized according to the IB syllabus (contains all necessary information to achieve a 7).

Summary of the IB SEHS Unit 2.1 (structure and function of the ventilatory system). You will find detailed yet summarized information on the topic, organized according to the IB syllabus (contains all necessary information to achieve a 7).

The syllabus statement from each topic is listed. All these notes are written using the official past paper answers.