MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Earn 100

Many animals with double circulatory systems have higher metabolic rates than those with single circulatory systems. Suggest an explanation for this.

Important Questions on Transport in Animals

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Biology for Cambridge IGCSE Workbook 4 th Edition Digital Access>Chapter 9 - Transport in Animals>Exercise 9.1>Q 3
Draw a diagram to show a single circulatory system.
MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Biology for Cambridge IGCSE Workbook 4 th Edition Digital Access>Chapter 9 - Transport in Animals>Exercise 9.1>Q 4

Name one organism that has a single circulatory system.

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Biology for Cambridge IGCSE Workbook 4 th Edition Digital Access>Chapter 9 - Transport in Animals>Exercise 9.2>Q 6

The given diagram shows a section through a human heart.

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Write a letter of each structure in the table. The first one has been done for you. Then complete the table by writing the function of each structure.

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MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Biology for Cambridge IGCSE Workbook 4 th Edition Digital Access>Chapter 9 - Transport in Animals>Exercise 9.5>Q 14

Complete the table by writing yes or no in each space. One row has been done for you.

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MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Biology for Cambridge IGCSE Workbook 4 th Edition Digital Access>Chapter 9 - Transport in Animals>Exercise 9.6>Q 16

Arteries carry blood at high pressure, while veins carry blood at low pressure. Explain how their structures are related to these functions.