From Which Primary Germ Layer Is the Gall Bladder Derived

question 9

Multiple Choice

From which primary germ layer is the gall bladder derived?

• A)Ectoderm
• B)Mesoderm
• C)Endoderm

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Definitions:

Fraternal Birth-order Effect

A theory suggesting that the more older brothers a man has, the higher the probability is of him being homosexual.

Fetus

A developing mammal or human from the end of the embryonic stage until birth.

Hormones

Chemical substances produced by glands in the body that regulate the activity of cells or organs, influencing growth, mood, and metabolic processes.

Expressive Behaviors

Actions that communicate an individual's emotional state or intentions to others, ranging from facial expressions to body movements.