Answer: 28 weeks
Explanation: It takes until about 4 weeks for the respiratory system of a fetus to begin to develop. However, by week 28, there is enough matured alveoli that a prematurely born baby can actually breath on its own at this time. The surfactants keep the alveoli from collapsing.
Hi!
the answer is prostate. the other two relate to females, and prostate relates to males. hope this helps!
(can you please mark brainliest? Thanks!)
Dynamic stretching!! Dynamic stretching is slow, gentle, and done with purpose :)
Yes you can buy antibiotic over the counter at any pharmacy/drug store
I believe <span>events that cause strong emotional reactions are called triggers. </span>
