An Embryo Develops Rudiments of All Organs by Week _____

question 18

Multiple Choice

An embryo develops rudiments of all organs by week _____ of prenatal development.

• A)8
• B)4
• C)6
• D)3

---

Definitions:

Smooth Muscle

Involuntary, non-striated muscle found in the walls of hollow organs like the intestines, blood vessels, and bladder, responsible for movements like constriction and relaxation.

Digestive Tract

A connected series of hollow organs forming a lengthy, winding path from the mouth to the anus, designed for ingesting food, digesting it, absorbing nutrients, and expelling waste.

Lamellae

Concentric, ring-like layers found in bone, making up the structure of compact bone, or in the chloroplasts of plants, where they contain light-absorbing pigments for photosynthesis.

Compact Bone Tissue

A type of bone tissue that is dense and solid, providing structural strength.