CAIE IGCSE Biology 2.1.3 Identify cell structures
Practise naming visible cell structures from plant, animal and bacterial cell diagrams, photomicrographs and labelled figures.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Practise naming visible cell structures from plant, animal and bacterial cell diagrams, photomicrographs and labelled figures.
The lungs and the kidneys are part of the excretory system of mammals.
The filtrate which is formed from the blood in the kidneys contains many useful substances, which are reabsorbed into the blood.
Fig. 1.1 is a photomicrograph of a cross-section of some of the cells that carry out reabsorption.

Fig. 1.1
Complete the table by stating the letter in Fig. 1.1 that identifies each structure.

microvilli - E ;
nucleus - A ;
mitochondrion - C ;