Umiejętności z tego działu sprawdzają 64 zadania wzorowane na arkuszach IB z lat 2022–2026. Dział pojawia się w 39 z 54 arkuszy w bazie.
(i) State the structural feature that allows some capillaries, such as those in endocrine tissues, to exchange dissolved substances particularly rapidly. (ii) Distinguish between the structures of a typical systemic artery and a vein of comparable external…
Describe how a student could determine a volunteer’s heart rate.
Compare and contrast the route of blood circulation in a bony fish and a mammal.
Explain how a root can generate positive pressure within its xylem.
Directional processes depend on structures that constrain movement. (a) Outline how structures in the human circulatory system limit backward blood flow. (b) Explain why transmission across a chemical synapse proceeds from the presynaptic to the postsynaptic…
Distinguish the fish circulation from that of a mammal.
Outline two arterial adaptations for blood transport.
A simplified diagram shows vessels supplying a healthy tissue. Which movement is favoured at region X in the standard capillary fluid-exchange model? A. Large plasma proteins escaping through intact capillary walls B. Interstitial fluid returning into the…
Outline two adaptations of xylem vessels for transporting water.
Explain how water can still be pushed from the soil towards the leaves under these conditions.
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.