<span>Class B would be the answer
I hope this helped you :) </span>
Answer:
uterus
Explanation:
Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.
Answer:
Id suggest biting your bottom lip, or pinching your ear. I close my eyes as hard as i can, then wipe the tears off. Hope this helps! <3 :)
Answer:
It is called oxygen-rich blood.
Explanation: The heart pumps blood to all parts of the body. Blood provides oxygen and nutrients to the body and removes carbon dioxide and wastes. After the blood gets oxygen in the lungs.
I think the answer is A. The body's ability to be efficient during movement. Hope this helped.
