Outline TWO immediate cardiac responses to a training session. (3 marks)
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Sample Answer – Any 2 of the following
- Heart rate increases immediately when training begins, causing the heart to beat faster to deliver more oxygen to working muscles.
- Stroke volume increases during training, meaning more blood is pumped out of the heart with each beat.
- Cardiac output (amount of blood pumped by the heart per minute) increases during training to supply more blood to muscles that are being used.
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Sample Answer – Any 2 of the following
- Heart rate increases immediately when training begins, causing the heart to beat faster to deliver more oxygen to working muscles.
- Stroke volume increases during training, meaning more blood is pumped out of the heart with each beat.
- Cardiac output (amount of blood pumped by the heart per minute) increases during training to supply more blood to muscles that are being used.