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.
1. C working his heart muscle
2. A find ways around obstacles
3. C make goals achievable
Hope that helps
The alveoli is where the oxygen moves out of the lungs and into the blood. At the same time carbon dioxide moves out of the blood and into the lungs to be exhaled.
D
Gender affects body composition
