Irregular periods.
Hot flashes and sleep problems. Hot flashes are common during perimenopause. The intensity, length and frequency vary. Sleep problems are often due to hot flashes or night sweats, but sometimes sleep becomes unpredictable even without them
.Mood changes. Mood swings, irritability or increased risk of depression may happen during perimenopause. The cause of these symptoms may be sleep disruption associated with hot flashes. Mood changes may also be caused by factors not related to the hormonal changes of perimenopause.
Vaginal and bladder problems. When estrogen levels diminish, vaginal tissues may lose lubrication and elasticity, making intercourse painful. Low estrogen may also make vagina vulnerable to urinary or vaginal infections. Loss of tissue tone may contribute to urinary incontinence.
Decreasing fertility. As ovulation becomes irregular, the ability to conceive decreases.
Changes in sexual function. During perimenopause, sexual arousal and desire may change.
Loss of bone.
changes in cholesterol level
Answer: it's because they need to provide a lot of energy.
Explanation: fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.
Answer:
London smog results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal. This type of smog is aggravated by dampness and a high concentration of delayed particulate matter in the air.
Explanation:
So, the answer would be B or D.
But, it is most likely B due to dampness.
Sex-linked trait, to remember hemophilia is passed on through the X chromosome which is why males are more susceptible to sex-linked traits because they only have 1 X chromosome and women have 2
Answer:
this is just for my pointssssss
Explanation: