Which belongs to the correct place

Organ:
Organ system:
Tissue:

Bones, Bone marrow, human body, skeletal system,

What are your choices?

The correct placement would be:

Tissue: Bone marrow
Organ: Bones
Organ system: Skeletal system
Human body: Includes all organs and systems

To determine which terms belong to the correct category, we need to understand their definitions.

- Organ: An organ is a distinct structure within a living organism that performs a specific function. For example, the bones and bone marrow are considered organs.

- Organ system: An organ system is a group of organs that work together to perform a particular function in the body. The skeletal system, for instance, is an organ system that includes bones and other associated tissues.

- Tissue: Tissue refers to a group of similar cells that work together to carry out a specific function. For example, bone tissue is a type of connective tissue found in the bones.

Now, let's categorize the terms:

- Bones: Bones are classified as organs because they are distinct structures that serve various functions like providing support, protection, and aiding in locomotion.

- Bone marrow: Bone marrow is a soft, spongy tissue found within the bones. It is also considered an organ as it plays a crucial role in the production of blood cells.

- Human body: The human body is not a specific anatomical term but rather a term referring to the entirety of an individual's physical structure, including organs, tissues, and systems.

- Skeletal system: The skeletal system includes bones, cartilage, tendons, ligaments, and other connective tissues that support and protect the body, provide attachment points for muscles, and aid in movement.

Based on these definitions, bones and bone marrow belong to the category of organs, while the skeletal system is an organ system.