The correct answer is
<span>d. all of the above are galaxies
This is according to the hubble telescope classification and it has its limitations due to limited technology, but this is the basic division among galaxies that scientists make. They are organized into groups or clusters and can be irregular completely when it comes to their shape.</span>
Answer:a.It regulates the directional flow of gastrointestinal contents.
Explanation:
The function of a sphincter:
The sphincter are muscles which are responsible for controlling the passage of the food that is not fully digested direct from the stomach to the small intestine.
These are the muscles that will either contract or close or open your passage route .
The common sphincter are found in our stool passage hole which assists us with the excretion of waste materials after digestion has occured , there is also a sphincter that controls our ability to urinate.
There are also sphincter muscles found in the eyes which assist our eye pupil to shut or contract when hit by a bright light .
Answer:
By supporting and signing particular bills while vetoing others
Answer: b. set of structure
Explanation: