Answer:
3) Oxygen Deficit
Explanation:
When we have less oxygen in our tissues, such as during extended rigorous exercise, lactic acid is produced (the burning that we feel in our muscles).
D (I’m not quite sure but please try putting that as an answer)
Answer:
Vitamin E, Iodine
, Zinc, Vitamin A
Explanation:
An embryo transitions into a fetus at about week 9 during a pregnancy.
<span>
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>
