This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: External respiration involves the A) movement of air into and out of the lungs. B) diffusion of ... (Read 53 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Feb 28, 2019
External respiration involves the
 A) movement of air into and out of the lungs.
  B) diffusion of gases between the interstitial fluid and the external environment.
  C) exchange of dissolved gases between the cells and interstitial fluids.
  D) binding of oxygen by hemoglobin.
  E) utilization of oxygen by tissues to support metabolism.

Question 2

What effect would cutting the vagus nerve branch that innervates the stomach have on gastric function?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Feb 28, 2019
Answer to Question 1

B

Answer to Question 2

The vagus nerve carries parasympathetic preganglionic fibers to many organs within the ventral cavity, including the digestive organs. It stimulates gastric motility and secretion of acid and enzymes. Removing the vagus innervation will eliminate parasympathetic stimulation, leaving only sympathetic innervation, which is inhibitory. This procedure will thus greatly reduce gastric activity. Hormonal stimulation will remain but higher centers will no longer influence secretion of gastric juice.


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Feb 28, 2019
:D TYSM

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Facilitated diffusion. Facilitated diffusion.
External auditory meatus External auditory meatus
Development of the Eyes and Ears: External View - 28 days Embryo Development of the Eyes and Ears: External View - 28 days Embryo
Paradoxical Movement of the Chest Wall Seen in Flail Chest Paradoxical Movement of the Chest Wall Seen in Flail Chest
Video: Exocytosis - secretion

For a complete list of videos, visit our video library