Zadanie 4a
State how ventilation changes as arterial pH decreases.
- Materiał graficzny
Chemical feedback adjusting breathing
Explain how changes in blood chemistry are detected and lead to altered activity of breathing muscles.
Tę umiejętność sprawdza 11 zadań wzorowanych na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 11 Otwórz w wyszukiwarce z filtrami
Zadanie 4b
Outline how arterial pH is monitored.
- Materiał graficzny
Zadanie 4c
Explain the main cause of blood pH changes during ordinary variation in metabolic activity and ventilation.
- Materiał graficzny
Zadanie 10
Biological functions depend on molecular organization and coordination between body systems. (a) Describe how codons determine polypeptide structure. (b) Outline how photosystem structure supports its function. (c) Explain how blood pH can fall during activity…
Zadanie 20b
Explain how ventilation rate is controlled in humans.
- Materiał graficzny
Zadanie 4b
The medulla oblongata contributes to coordination of body functions. Outline two functions of the medulla oblongata.
Zadanie 21a
Blood pH is monitored during regulation of ventilation. State the receptor type involved.
Zadanie 21b
A person changes from rest to vigorous exercise. State the expected relationship between exercise intensity and blood pH.
Zadanie 8
During a cycling exercise test, a participant’s ventilation increases as metabolic activity rises. Explain how the brain controls breathing.
Zadanie 25b
Explain effects of high altitude on gas exchange and oxygen supply.
- Materiał graficzny
Zadanie 25b
Explain effects of high altitude on gas exchange and oxygen supply.
- Materiał graficzny