Author Question: Allen is in his house alone late at night when he hears a loud, frightening noise. His heart ... (Read 158 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
Allen is in his house alone late at night when he hears a loud, frightening noise. His
   heart begins pounding, his senses sharpen, and his muscles tense up. Allen's reaction
   is due to the activity of his ______ nervous system.
 
  a. sympathetic c. somatic
   b. parasympathetic d. central

Question 2

The autonomic nervous system has two branches, the _________.
 
  a. central and peripheral c. somatic and sympathetic
   b. somatic and peripheral d. sympathetic and parasympathetic



Kjones0604

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library