Answer:
Pulmonary circulation
Explanation:
is the movement of blood from the heart to the lungs for oxygenation, then back to the heart again. Oxygen-depleted blood from the body leaves the systemic circulation when it enters the right atrium through the superior and inferior venae cavae.
Answer:
The correct answer is a. elevated ADH levels
Explanation:
The function of ADH is to regulate the excretion of water from kidneys. As Dan has been lost in the desert for 2 days his body must be dehydrated and in stress which gives signal to hypothalamus gland to increase ADH level.
Once ADH level is increased his kidney starts reabsorbing as much water as it can preventing his body to become dehydrated and reduce his urine amount.
So the correct answer is a. elevated ADH levels
Increasing extracellular K+ increases the positive charge outside the cell, making the inside of the cell (membrane potential) more negative. This inhibits net diffusion of Na+ into or out of the cell.
Answer:
The absence of estrogen may lead to many symptoms:
- Irregular periods
- Anovulation, and therefore, infertility
- Hot flashes
- Decreased vaginal lubrication, which can lead to painful intercourse
- Depression, because estrogen stimulates serotonin release
- Osteoporosis and bone fractures
- Weight gain
Usually the treatment for low estrogen levels is hormone replacement therapy (orally, vaginally or topically)
U.S. Department of Agriculture
and U.S. Department of Health and Human Services
