The A.1.3 Transport question bank gives IB Sports, exercise and health science (SEHS - Old) students Standard Level (SL) and Higher Level (HL) authentic exam-style practice that mirrors IB Paper 1, 2, 3 structure and difficulty. Covering key syllabus areas such as core principles, advanced applications, and practical problem-solving, this resource builds confidence by training students in the same style of questions set by IB examiners. With instant solutions, detailed explanations, and syllabus-aligned practice, RevisionDojo helps students sharpen problem-solving skills and prepare effectively for mocks and final assessments. More than just practice, this question bank teaches students how to think the way IB examiners expect.
Identify two systems that collaborate to regulate ventilation.
State two factors that increase ventilation rate during intense exercise.
Describe how partial pressure gradients drive the exchange of gases during exercise.
Explain how the circulatory system compensates for increased oxygen demand during interval training.
Outline the importance of cardiovascular control centers in adapting to variable intensity workloads.
Discuss the consequences of impaired gas exchange on homeostasis and athletic performance.
State the role of the hypothalamus in temperature regulation.
Identify two internal conditions regulated by homeostatic mechanisms.
Describe how the nervous system responds to an increase in body temperature.
Describe the function of insulin in blood glucose regulation.
Explain the role of the lungs in the transport of gases during exercise.
Discuss how the endocrine and nervous systems work together to maintain homeostasis during exercise.
State the primary function of hemoglobin.
Identify two byproducts of aerobic metabolism.
Describe how oxygen is transported in the blood.
Explain how the circulatory system supports muscle function during exercise.
Outline the role of capillaries in gas and nutrient exchange.
Discuss how the respiratory and cardiovascular systems interact to meet the demands of working muscles.
State the function of baroreceptors.
Identify two systems involved in the regulation of blood pressure.
Outline the role of the medulla oblongata in cardiovascular regulation.
Explain how the nervous system maintains blood pressure during standing.
Describe how the endocrine and nervous systems coordinate to regulate blood pressure under stress.
Discuss the importance of inter-system communication in maintaining stable blood pressure during dynamic exercise.
Identify the two types of feedback mechanisms used in homeostasis.
State two reasons why maintaining core body temperature is essential for survival.
Describe how changes in external temperature are detected and communicated to the hypothalamus.
Explain the process by which the hypothalamus regulates thermoregulation via endocrine signaling.
Outline how prolonged fluid loss during endurance activity challenges homeostasis.
Discuss how the integration of thermoregulatory, cardiovascular, and endocrine systems delays fatique and maintains homeostasis during an ultra-endurance event.
State the function of chemoreceptors.
Identify the gas primarily responsible for stimulating ventilation.
Describe how chemoreceptors respond to changes in CO2 during exercise.
Outline the role of the respiratory control center in ventilation.
Explain the importance of blood pH regulation in maintaining homeostasis.
Discuss how inter-system communication ensures adequate ventilation and circulation during high-intensity activity.
Define the term "inter-system communication."
State two examples of effectors in thermoregulation.
Outline the role of thermoreceptors in maintaining body temperature.
Explain how vasodilation helps regulate core temperature.
Describe the sequence of events that occur when body temperature rises above normal.
Discuss the importance of coordinated responses between systems to prevent overheating.
State the function of red blood cells.
Identify one hormone involved in regulating water balance and its source.
Describe how thermoreceptors contribute to homeostasis.
Explain how vasodilation supports thermoregulation.
Outline the pathway of oxygen from the external environment to the muscle cell.
Discuss the role of feedback mechanisms in maintaining homeostasis, using temperature regulation as an example.
State one role of the circulatory system in homeostasis.
Identify two types of receptors involved in homeostatic control.
Describe the process of diffusion in gas exchange.
Explain how the respiratory and circulatory systems cooperate to deliver oxygen.
Outline how the nervous system coordinates changes in breathing rate.
Discuss the role of inter-system communication in maintaining internal stability during exercise.
Identify two systems involved in glucose regulation.
State the primary hormone that lowers blood glucose.
Outline the role of the pancreas in maintaining glucose balance.
Describe the function of glucagon.
Explain how a negative feedback loop operates in blood glucose regulation.
Discuss the consequences of disrupted glucose homeostasis on organ function.