Practice A.1.1 Inter-system communication with authentic IB Sports, exercise and health science (SEHS) exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like core principles, advanced applications, and practical problem-solving. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
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.
During heat acclimatization training, increased plasma volume occurs. Which systems are most responsible for this adaptation?
In a soccer match, fatigue sets in as glycogen is depleted. Which two systems must interact to replenish energy stores post-game?
Sweating during a hot marathon is an example of communication between which systems?
Which hormone helps regulate blood glucose levels in athletes after a carbohydrate-rich meal before training?
After a set of squats, blood vessels dilate in the working muscles. Which two systems are interacting to regulate this?
Q8. Which of the following best explains why the endocrine system is more important than the nervous system for marathon runners?
During high-intensity cycling, which systems coordinate to deliver both oxygen and glucose to active muscles?
A marathon runner experiences dehydration. Which systems interact to conserve water and maintain blood pressure?