Answer:
a. Cats see low-frequency, low contrast objects better than humans.
Explanation:
Mr. Big is able to see something that Pamela does not see because cats have a wider field view of about 200 degrees while that of humans is about 180 degrees.
Cats eyes have 6-8 times more rod cells, which are more sensitive to low light, than that of humans. Their elliptical eye shape, large tapetum and cornea help to gather light for better vision at night.
Answer:
c. cerebrospinal fluid
Explanation:
Cerebrospinal fluid
This fluid is a colorless , clear body fluid , that is present in the brain and the spinal cord .
Some specialized ependymal cells produces this fluid .
Around 125 mL of Cerebrospinal fluid is produced at one time , and around 500mL is produced daily .
The Cerebrospinal fluid is nearly 99% water which means it contain highest volume of fluid .
- Answer: A sudden severe headache.
- Seizures with no previous history of seizures.
- unconsciousness for more than a few seconds.
- Nausea or vomiting.
- Decreased alertness; lethargy.
- Changes in vision.
- Tingling or numbness.
- Difficulty speaking or understanding speech.
- bleeding or clear fluid from the nose, ear, or mouth.
Explanation:There are many signs that might indicate internal bleeding but based on the situation those are the most likely ones.
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)
