The correct option is B.
For a mature woman, each month the increased level of estrogen hormone leads the pituitary gland to secrete luteinizing hormone. Once this hormone is secreted, the ovary releases a single egg which moves down to the lining of the uterus. If fertilization does not occur, the egg is shed together with the lining of the uterus in a monthly process called mensuration. If fertilization occur, then the fertilized egg attach to the lining of the uterus and placenta is formed. The fertilized egg then send signal to the ovary to keep secreting progesterone, which will sustaining the pregnancy by keeping the uterus lining thick and nourishing for the developing embryo.
Answer:
sinoatrial node
Explanation:
impulses starts in small bundles of specialized cells which are located in the right atrium which is known as the SA node. The electrical activity tends to spread through the walls of the atria and then causes it to contract. however, forcing the blood into ventricles.
Answer:
your answe is 1 million tasound
Explanation:
Answer:
Ob
When ATP molecules are used to fuel movement
Hey there!
1. (Matter) would match with "anything that has mass and occupies space."
2. (Accuracy) would match with "an indication of how close a measurement is to the correct result.
3. (Precision) would match with "the degree to which a measurement can be replicated."
4. (Meniscus) would match with "the curved top surface of a liquid column."
5.(Volume) would match with "space occupied, measured in cubic units."
6.(Density) would match with "the mass of an object per unit volume."
Hope this helps! ~Lily :)