“Do white blood cells have white blood in them?”

B0007646 Leukocyte (white blood cell)

Overheard in the playroom.

The Four-Year-Old: “Daddyo, do white blood cells have white blood in them?”

Daddyo: “No. Blood is made up of cells. Cells aren’t made up of blood.”

The Four-Year-Old: “What are cells made up of?”

Daddyo: “Cytoplasm and organelles.”

The Four-Year-Old: “What are organelles made up of?”

Daddyo: “Proteins and other stuff.”

The Four-Year-Old: “Like what other stuff?”

Daddyo: “Some of them have DNA in them.”

The Four-Year-Old: “What’s DNA?”

Daddyo: “DNA is like the programming for the body.”

The Four-Year-Old, not missing a beat: “Do sharks eat penguins?”

Image Credit: Thanks to Wellcome Images for their illustration of a white blood cell.

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About Shala Howell

I write about wildly curious kids, rabbits who hunt dragons, and 1880s Boston. When I’m not scratching my head over pesky characters who refuse to do things how I want them done or dreaming of my next book (which will of course be much easier to write than the current one), I blog about life with a very curious Ten-Year-Old at Caterpickles.com, muse about books and the writing life at BostonWriters.blog, or tweet about books, writing, science, & things that make me smile at @shalahowell.
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2 Responses to “Do white blood cells have white blood in them?”

  1. Pingback: The Importance of the 12 B vitamin

  2. Pingback: Cater blood | Winnersatgamin

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