Animals are used for food, products, and services.
Answer: B. Comparative embryology
Explanation: Good luck! :D
The heart is beneath the breastbone in the chest cavity of the frog
Answer:
As the cycle progresses and moves towards ovulation, the endometrium grows thicker, up to about 11 mm. About 14 days into a person's cycle, hormones trigger the release of an egg. During this secretory phase, endometrial thickness is at its greatest and can reach 16 mm.
Explanation:
