Practice A.1—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.
Which gas diffuses from the alveoli into the blood during breathing?
Which simultaneous actions of the respiratory and cardiovascular systems best explain efficient VO₂ max performance?
During heat acclimatization training, increased plasma volume occurs. Which systems are most responsible for this adaptation?
During a marathon, what is the main goal of homeostasis?
Which system is primarily responsible for detecting and responding to internal changes in the body?
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?