Answer
At week 5-6 of gestation, the baby’s heart starts beating.
Explanation
Fertilization occurs in week 3 followed by implantation in week 4.In week 5 the levels of hormones increases with formation of the baby’s heart and circulation system. In week 6, the neutral tube closes followed by development of structures necessary to form eyes and ears. The head of the baby develops at week 7 followed by nose in week 8 and toes in week 9.
Answer:
Increase
Explanation:
When there is enough food there is always excelling Reproduction
Answer:
The circulatory system ensures a steady flow of oxygen-rich blood to your brain, while your brain controls your heart rate and blood pressure. Even systems of the body that appear to be unrelated are linked.
Explanation:
i believe its B and D as they're both acids/enzymes
Answer:
Explanation:
lemons contain antioxidants which prevent the fruits from browning
