1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
liubo4ka [24]
4 years ago
9

What is the narrowing of the sphincter at the lower end of the stomach called?

Biology
1 answer:
Marizza181 [45]4 years ago
8 0

Answer:

Its d

Explanation:

I made a 100

You might be interested in
1. Which structure is not part of the endomembrane system?
olga2289 [7]
Answer: chloroplast is not part of the endomembrane system.
7 0
3 years ago
Clinical indications for the use of adrenergic drugs stem mainly from their effects on the heart, blood vessels, and bronchi. Th
uranmaximum [27]

Answer: Adrenergic drugs are used both in the emergency treatment of Myocardial infarction, Asthma attack and Anaphylaxis T/F.

Explanation:

Andrenergic drugs acts by blocking renin release,and interfers with synthesis and release of Nor-epinephrine (Nor-adrenaline) thereby helping to reduce the peripheral vascular resistance and lowering the blood pressure.example; Methyldopa.

As a bronchodilator in asthma attack, Adrenergic drugs relax bronchial muscle spasm then dilate the bronchial trees thereby allowing proper ventilation of the lungs example: Aminophylline

Adrenergic drugs like epinephrine are used in anaphylaxis/ allergic reactions as well as hypersensitivity reactions to inhibit the action of histamines and as such relieve allergic reactions.

5 0
3 years ago
In the beginning all the contents were grouped together as one giant landmass. What role did separation of them play in evolutio
Lena [83]
When the continents separated, organisms were forced to be placed in different locations with different environmental conditions. In order to survive in their new environment, over time, various flora and fauna developed various body mechanisms to cope up. This brought up the speciation of flora and fauna.
6 0
3 years ago
What characteristics make an organism a member of the animal kingdom?
kogti [31]

Answer:I think it is part B

Explanation:

6 0
3 years ago
In examining a cell using the electron microscope, you see a structure that is composed of two membranes, contains numerous pore
Effectus [21]
<h2>Nuclear Envelope</h2>

Explanation:

  • <em>The endomembrane system</em> includes the nuclear envelope, the <em>endoplasmic reticulum, Golgi mechanical assembly, lysosomes, vesicles, just as the plasma layer</em>
  • These cell parts cooperate to <em>alter, bundle, tag, and transport layer lipids and proteins </em>
  • The nuclear envelope is a double membrane, implying that there are <em>two lipid bilayers</em>
  • The nuclear lamina, a netlike cluster of <em>protein filaments, associates the layers of the nuclear envelope</em>
6 0
3 years ago
Other questions:
  • How to describe how all microorganisms are similar and how are all microorganisms are different
    13·1 answer
  • A patient who has raynaud's disease will begin taking an alpha-adrenergic blocker. the patient asks the nurse how the drug works
    10·1 answer
  • Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. the problem is most likely the result
    15·1 answer
  • How does the circulatory system interact with the digestive system
    13·2 answers
  • Which of the following best describes one way electron microscopes and light microscopes differ in structure? A) Light microscop
    13·2 answers
  • An important part of science? Open-mindedness,skepticism,or both.
    10·2 answers
  • Causas, consecuencias, prevencion y medidas de solucion sobre la falta de agua en el mundo
    11·1 answer
  • What do you do to maintain your physical health
    12·2 answers
  • The bacterial cytoskeletal proteins FtsZ and MreB are homologous to the eukaryotic __________ and __________, respectively.
    7·1 answer
  • WILL GIVE BRAINLIEST IF RIGHT!!! PLS HELP
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!