Question

4. Cartilage cells lie in fluid-filled spaces called​

Answer 1

lacunae
Cartilage is enclosed by a fibrous capsule called the perichondrium. It consists of living cells called chondrocytes which secrete a rubbery protein matrix called chondrin. Chondrocytes occur in small fluid-filled spaces called lacunae which are scattered throughout the matrix.

Answer 2

Lacunae

Step-by-step explanation:

Lacunae is lies in fluid filled spaces called Lacunae