« previous next »

Author Question: Allen is in his house alone late at night when he hears a loud, frightening noise. His heart ... (Read 125 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

heart heart
Mitochondria known as power house of the cell Mitochondria known as power house of the cell
Northern Lights on a Clear Winter Night Northern Lights on a Clear Winter Night
Venous return to the heart and blood flow to the lungs. Venous return to the heart and blood flow to the lungs.
Position of the fetus in late pregnancy results in stresses on the mother’s body. Position of the fetus in late pregnancy results in stresses on the mother’s body.
Reconstruction Drawing Of Lepenski Vir House/Shrine Reconstruction Drawing Of Lepenski Vir House/Shrine
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library