The Umbilical Cord of a Mammal Connects the

question 17

Multiple Choice

The umbilical cord of a mammal connects the

• A) amnion and the chorion.
• B) fetus and the placenta.
• C) embryo and the amnion.
• D) yolk sac and the allantois.
• E) maternal and fetal bloodstreams.

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Definitions:

REM Rebound

The phenomenon where a person experiences increased amounts of REM sleep after being deprived of REM sleep in earlier nights.

REM Sleep

A phase of sleep characterized by rapid eye movement, during which vivid dreams commonly occur.

Dreaming

The experience of imagined images, sounds, or other sensations during sleep, particularly during REM phases, reflecting complex psychological processes.

Tropical Climates

Climate zones characterized by consistently high temperatures throughout the year, with significant rainfall. They are typically found near the equator.