Author Question: __________ are chemicals that are released by some species and influence the physiology and behavior ... (Read 59 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
__________ are chemicals that are released by some species and influence the physiology and behavior of conspecifics.
 
  Fill in the blank with the appropriate word.

Question 2

An analgesia circuit descends into the spinal cord from the __________ gray.
 
  Fill in the blank with the appropriate word.



ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: Pheromones

Answer to Question 2

Answer: periaqueductal



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library