Zadanie 5a
A runner accelerates from a walk into a sustained run. Outline two internal mechanisms that can raise the runner’s heart rate.
Adrenaline preparing the body for activity
Explain how coordinated effects of adrenal hormone release support intense muscular work.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2023–2024.
Zadania sprawdzające tę umiejętność: 3 Otwórz w wyszukiwarce z filtrami
Zadanie 24
Which signal is expected to increase heart rate as part of preparation for vigorous activity, rather than potentially increase or decrease it depending on the pathway? A. Any nervous signal from the medulla, regardless of pathway B. A fall in the body’s oxygen…
Zadanie 2a
Epinephrine (adrenaline) is released as a hormonal signal. State one effect it can have on the body.