Answer: The statement above is absolutely true.
Explanation: During our sleep we pass through five stages of sleep. 5th stage of the sleep is of great importance and is known as REM sleep aka rapid eye movement sleep. During this stage heart rate, breathing and eye movement increases. According to the researchers of Neuro-scientists Rem sleep helps the brain rewire itself and integrates new memories and train the mind for important tasks to be done next day.
You should use your fingertips.
The answer would be 2 placenta. A thin walled sac that surrounds the fetus during pregnancy. The sac is filled with amniotic fluid(liquid made by fetus) and the amnion(the membrane that covers the fetal side of the placenta)
The words that best fit the underlined spaces in the statement would be "bladder", "vagina", "bladder", and "vagina" in which it is arranged in order. In addition, this part of the urinary system of a female allows the passage of urine through the contraction of the vaginal vault.
What is brainliest?? i just started :/