Correct Answer: Tissue

Solution : The correct option is Tissue

Tissues in multicellular animals refer to assemblies of cells working collectively to carry specific functions. They represent the foundational units that compose organs in intricate organisms such as humans, playing vital roles in upholding the body's form and operational capacity. Within the human body, there are four primary tissue types:

• Epithelial tissue , responsible for shielding and safeguarding various surfaces;
• Connective tissue , serves to link, sustain and unite diverse bodily structures;
• Muscular tissue , enabling mobility and contraction, and
• Nervous tissue , facilitating communication and coordination.