Question

the ecm of blood is known as:

lacunae.
bone marrow.
osteoid.
plasma.

Explanation:

Define extracellular matrix

The extracellular matrix (ECM) is the non-cellular component present within all tissues and organs.

Analyze blood as connective tissue

Blood is classified as a fluid connective tissue consisting of formed elements suspended in a liquid ECM.

Identify the liquid matrix

The fluid extracellular matrix of blood that contains water, proteins, and electrolytes is called plasma.

Evaluate the other options

Lacunae are cavities in bone or cartilage. Bone marrow is tissue inside bones. Osteoid is unmineralized bone matrix.

Answer:

• lacunae.
• bone marrow.
• osteoid.
• plasma. (Correct answer)