Ib sehs topic 2 - Study guides, Class notes & Summaries

IB SEHS Topic 2 Exam Studyguide 2024...

IB SEHS Topic 2 Study Guide Verified Solutions List the pathway of blood in your heart ️1) Superior vena cava 2) Inferior Vena cava 3) Right atrium 4) Tricuspid valve 5) right ventricle 6) pulmonary artery 7) lung cappilaries 8) pulmonary vein 9) left atrium 10) mitral valve 11) left ventricle 12) aorta Describe what happens when you inhale: ️ribs push outward and diaphragm downward to make the chest cavity larger so the lungs can inflate; the pressure around the ...

IB SEHS Topic 2.2 Already Graded A+ 2.2.1 State the composition of blood. ️Blood transports electrolytes, proteins, gases, nutrients, waste products, and hormones. And is composed of cells: erythrocytes (RBCs) making up 99% of the formed elements as well as leukocytes (WBCs), platelets, and plasma. 2.2.2 Distinguish between the functions of erythrocytes, leucocytes, and platelets. ️Erythrocytes transport oxygen and carbon dioxide, leukocytes defend against pathogens and platele...

List the pathway of blood in your heart - Answer 1) Superior vena cava 2) Inferior Vena cava 3) Right atrium 4) Tricuspid valve 5) right ventricle 6) pulmonary artery 7) lung cappilaries 8) pulmonary vein 9) left atrium 10) mitral valve 11) left ventricle 12) aorta Describe what happens when you inhale: - Answer ribs push outward and diaphragm downward to make the chest cavity larger so the lungs can inflate; the pressure around the lungs decreases; air flows into the lungs ...

IB SEHS TOPIC 1 & 2 QUESTIONS AND ANSWERS 2024/25

IB SEHS TOPIC 1 & 2 QUESTIONS ALL ANSWERS CORRECT Outline the functions of connective tissue ️Cartilage: Protects the ends of the bones, absorbs shock, reduces friction Ligament: Connect bone to bone, strong, fibrous bands that provide stability to the joints, prevents abnormal movements Tendon: Muscle to bone, enables movement and adds stability Define the term Joint ️The place where two or more bones articulate Distinguish between the axial and appindicular skeleton in terms ...

IB SEHS Topic 3 Exam Questions With Verified And Updated Solutions. List the macronutrients - answerFat(lipid), carbohydrate, protein, and water Function of carbohydrates - answerAct as metabolic fuels and energy stores - especially during intense and prolonged periods of exercise Function of fats (lipids) - answerImportant source of energy in recovery periods, physically protects vital organs, controls body temperature, assists in hormone synthesis, cell membranes and transports fat-solu...

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...

IB SEHS Topic 6.1 Statistical Analysis standard deviation ️spread of scores around the mean or average error bars ️graphical representation of the variability of the data coefficient of variation ️The ratio of the standard deviation to the mean, expressed as a percentage; another useful measure of variation what does a t-test determine? ️Whether the difference in means is due to the exercise (treatment) or is simply due to chance statistically significant results ️p ≤ ...