Biosphere, relatively thin life-supporting stratum of Earth's surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean.
Gonadotropin releasing hormones causes the ovaries and testes to greatly increase their production of estradiol and testosterone.
Gonadotropin releasing hormone is a hormone is released from nerve cells in the brain or produced in hypothalamus and transported to the pituitary gland through the blood stream. These hormones are very important in fertility.
Neutrons
The atomic mass is the weight of the protons and neutrons in the nucleus.
Answer:
Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin.
Explanation: