Which Organ or Structure Is Clearly Visible in a 4-Week-Old

question 23

Multiple Choice

Which organ or structure is clearly visible in a 4-week-old embryo?

• A)Fingers
• B)Eyes
• C)Ears
• D)Fingers, eyes, and ears are all clearly visible.

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Definitions:

Sheep Brain

Often used in educational settings, it is a model for studying the anatomy of the mammalian brain due to its similarity to the human brain but larger size for easy handling.

Choroid Plexuses

Structures in the brain ventricles responsible for producing cerebrospinal fluid, aiding in protecting and nourishing the brain.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion and exchanging nutrients and wastes.

Produce

Fresh fruits and vegetables that are grown for eating.