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
Crank
3 years ago
14

1) What is a sphincter muscle?

Biology
1 answer:
serious [3.7K]3 years ago
7 0

Answer:

1-A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body.

2-Sphincters are specialized muscles that are located at the upper esophagus (upper esophageal sphincter (UES) and the gastroesophageal junction

Explanation:

You might be interested in
Consider these facts about DNA structure and protein synthesis:
maksim [4K]

Answer:

lsklldlflfkkekeioeiwbnwi2uwjkwiwiwuwkwj3ki3

Explanation:

wkwkk

5 0
3 years ago
A conservation biologist joins a political party and campaigns within the party to help other members understand issues relating
Neko [114]

Answer:

This person can be described as an environmentalist.

Explanation:

An environmentalist is a person who has adopted environmentalism as a philosophy that makes this person work and manages to direct their activities towards the preservation of the environment and sustainable development. These people seek to teach others to preserve the environment and seek to defend it through politics, economics and any other social factor that can help to achieve this goal.

The person presented in the question above is an environmentalist, because, as we can see, this person is available to give a lecture on environmental preservation, interacts with environmental activist groups and seeks political support to address issues on climate issues, sustainability and biodiversity .

4 0
3 years ago
Hello people of brainly, mind to help a person in need. Please don't copy from any site. Please help a fellow member of the brai
Andrej [43]
  • Under magnification the structure looks clear.
  • while viewed in naked eye the structure is viewed unclear.
  • Magnification makes the structure to look perfect, smooth and elegant.
  • You can understand easily by looking into magnificated image
5 0
2 years ago
Read 2 more answers
The national environmental policy act requires the federal government to
SVEN [57.7K]

Answer:

use all practicable means to create and maintain conditions under which man and nature can exist in productive harmony

Explanation:

4 0
3 years ago
Precipitation that does not permeate the ground runs off the surface quickly. It forms small streams that widen and become longe
igomit [66]

Answer:

rivers because smaller bodies of water always drain into bigger ones

4 0
3 years ago
Read 2 more answers
Other questions:
  • Earths prehistoric surface was a soup of water and chemicals is called ____
    8·1 answer
  • What is the function of the cell wall?
    7·1 answer
  • PLZ HELP! WILL GIVE BRAINLIEST!
    8·2 answers
  • Water draining from a water tower is an example of what kind of energy conversion?
    15·2 answers
  • A hacker stood outside a building and spun up a wireless network without anyone's knowledge. At that point, the hacker was able
    8·1 answer
  • Describe the types of lithospheric plate collisions that build<br> mountains.
    9·1 answer
  • Ayuda es urgente...gracias
    11·1 answer
  • Why is it important that professional organizations advocate for their members?
    10·1 answer
  • Which two systems below work together to rid the body of harmful parasites?
    11·1 answer
  • What are some examples of structural and behavioral adaptations
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!