IB Biology HL D3.3.11 Hl Blood Supply Changes Questions

Use exam evidence to explain how autonomic vasoconstriction and vasodilation redistribute gut blood flow, and how exercise increases skin blood flow for heat loss.

Exam points

Identify exercise-related redistribution of blood flow, including increased skin flow for heat loss.
Explain how altered vessel diameter changes tissue perfusion during activity.

[Maximum number: 1]

What is a reason for the changes in blood flow during exercise?

Increased blood flow to the kidneys removes waste products from exercise.

Blood flow to the brain decreases so that blood is diverted to the kidneys.

Increased blood flow to the skin removes heat.

Increased blood flow to the digestive system provides more glucose to muscles.

All question bank results loaded

IB Biology HL D3.3.11 Hl Blood Supply Changes Questions question 1