Tissues are defined as?

Tissues are defined as?

• A. A group of similarly specialized cells that perform the same function
• B. Organs
• C. Nerve tissues
• D. Extracellular fluid

Answer: (A)

Tissues are defined as a group of similarly specialized cells that perform the same function. This means that cells with common structure and purposes come together to carry out a shared job, creating a cohesive layer or support system. For example, nerve tissue consists of neurons and supporting cells organized to transmit signals, while muscle tissue is built from muscle cells designed to contract. This definition distinguishes tissues from organs, which are larger structures made of multiple tissue types combined to perform complex tasks. It also clarifies that extracellular fluid is not tissue—it's the fluid outside cells that bathes and nourishes them, not a collection of cells forming a tissue.

Tissues are defined as a group of similarly specialized cells that perform the same function. This means that cells with common structure and purposes come together to carry out a shared job, creating a cohesive layer or support system. For example, nerve tissue consists of neurons and supporting cells organized to transmit signals, while muscle tissue is built from muscle cells designed to contract.

This definition distinguishes tissues from organs, which are larger structures made of multiple tissue types combined to perform complex tasks. It also clarifies that extracellular fluid is not tissue—it's the fluid outside cells that bathes and nourishes them, not a collection of cells forming a tissue.