Answer:
3rd to 8th week of pregnancy.
Explanation:
The fetus is more prone during the 3rd to 8th week of pregnancy. The earlier the teratogen is exposed to fetus, the severe the effect is likely to be caused.
Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
kidneys remove the waste.
Answer:
where's the answer choices?
Explanation: