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Question Video: Identifying What Heart Muscle Tissue Is Made Of Science • 4th Grade

This picture shows heart muscle tissue under a microscope. What is the tissue made of?

02:49

Video Transcript

This picture shows heart muscle tissue under a microscope. What is the tissue made of? Is it cells, organs, or blood?

To answer this question, we first have to define what tissue is. Specialized cells that are grouped together for a specific function or job are called tissues. Examples of tissues are muscle tissue and nervous tissue. Muscle tissue exists in our muscles, and nervous tissue exists in our brains. So, to recap, you have cells, for example, a muscle cell. When groups of these cells come together for a specific function, you have tissue, for example, muscle tissue. When tissues are grouped together for a specific function, you have organs, for example, the heart. And when organs are grouped together for a specific role or function, you have organ systems, for example, the muscular system. This organ system is one for a chicken. Could you guess?

Anyway, to return to tissues, organ systems are always made up of organs. Organs are always made up of tissue, and tissue is always made up of cells. Knowing this, let’s return back to our question. Well, we know from our diagram that tissue is always made up of cells. The first answer is cells, so this looks like it must be correct. But let’s check the other ones just to make sure. (B) is organs. But organs are made up of tissue. So this answer can’t be correct. Finally, we have blood, which is a collection of blood cells, is actually also an example of a tissue. So seeing that blood is a tissue itself and muscle tissue must be made up of cells, that means that blood also can’t be the correct answer.

Therefore, the answer to “This picture shows heart muscle tissue under a microscope. What is the tissue made of?” must be “cells.”

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