Many Female Mammals Become Very Attentive After Delivering Their Babies

question 3

Multiple Choice

 Many female mammals become very attentive after delivering their babies largely because of a sudden ____.

• A) drop in testosterone levels
• B) surge of prolactin and oxytocin
• C) decrease of prolactin and increase of oxytocin
• D) increase of prolactin and decrease of oxytocin

---

Definitions:

Adhesion Junction

Junction between cells in which the adjacent plasma membranes do not touch but are held together by intercellular filaments attached to buttonlike thickenings.

Tight Junction

A complex of proteins in the cell membrane that creates a watertight seal between cells, preventing leakage of extracellular fluid.

Impermeable Barrier

A material or structure that does not allow fluids or gases to pass through it.

Epithelial

Refers to the type of tissue that lines the cavities and surfaces of blood vessels and organs throughout the body.