An embryo transitions into a fetus at about week 9 during a pregnancy.
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In the first three months the </span>embryo<span> goes through organogenesis and develops bodily organs, its heart starts beating after the fourth week, brain waves can be monitored after six weeks, and by the eighth week all major body parts are present. After the eight weeks, the embryo becomes a fetus.
(Sorry, I know these aren't the answer choices, but I hope this helps)</span>
What do u mean by that? like math, language arts or ?
Answer:
experiencing a lack of mental concentration
Explanation:
i think
The memory best describes the process by which the brain stores information
Answer:
false
Explanation:
Narcolepsy is a disorder of the relationship between sleep and wakefulness. This particularly affects REM sleep where features of REM sleep intrude into wakefulness and non-REM sleep.
