Cell diversity

What is the total number of different cell types in the human body?

200 different cell types.

What are fibroblasts primarily responsible for?

Connecting body parts by secreting cable-like fibers.

What shape is an epithelial cell and why is it shaped that way?

Hexagonal shape allows it to pack together in sheets.

What is the function of erythrocytes?

To carry oxygen in the bloodstream.

What do skeletal and smooth muscle cells enable?

They enable movement of bones or change the size of internal organs.

What characteristic defines fat cells?

They have a huge spherical shape produced by a large lipid droplet.

How do macrophages fight disease?

They extend pseudopods to crawl through tissue and digest infectious microorganisms.

What is unique about oocyte cells?

They are the largest cells in the body and contain several copies of all organelles.

What are the two types of intercellular fluid mentioned?

Nucleoplasm and cytosol.

What is the definition of a solution in terms of components?

A homogeneous mixture of two or more components.