Author Question: The paranasal sinuses secrete mucous that helps humidify and warm air as it enters the respiratory ... (Read 54 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
The paranasal sinuses secrete mucous that helps humidify and warm air as it enters the respiratory system.
 
  Indicate whether the statement is true or false

Question 2

Sphincters are rings of smooth muscles that regulate movement along internal pathways.
 
  Indicate whether the statement is true or false



nothere

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

TRUE

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

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

For a complete list of videos, visit our video library