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ICE Princess25 [194]
4 years ago
5

What is an example of a muscle of facial expression?

Biology
1 answer:
allochka39001 [22]4 years ago
5 0
Buccinators are muscles in the cheek that help smiling.
Laris oculi are muscles helping close eyelids.
Orbicularis oris is a muscle that helps manipulate the mouth:
the correct answer is D. all the above are muscles that help facial expression.
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The most common cell type in dense regular connective tissue is the __________.
Charra [1.4K]

Answer:

Fibroblast

Explanation:

Connective tissue is the tissue which is named for its function that is the tissue which connects the two system, two tissues and two cells in a body.

The connective tissue is usually composed of a variety of cells which includes mast cells, adipocytes, macrophages and some fibres.

The fibre is the main component of the connective tissue as it provides strength to the tissue, therefore, the fibroblasts which secrete these fibres called collagen fibres and the components of the matrix form the highest composition of the connective tissue.

Thus, Fibroblast is correct.

8 0
3 years ago
What is a period in chemistry
Leviafan [203]
A period<span> is the name given to a horizontal row of the periodic table. The periodic table has seven </span>periods<span>. </span>Period<span> 1 contains only two elements: hydrogen and helium.</span>
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3 years ago
4. At what point was the solution in beaker ""B"" neutralized?
Marina86 [1]

Answer:

Explanation:

This is called the equivalence point. That is the exact point during titration where the relative amounts of each substance in the chemical reaction of titration become well defined by the coefficients in the balanced chemical equation used for expressing the kinetics of reaction.  

A titration is an experimental set up   with a controlled acid-base neutralization reaction.it is used to determine the unknown concentration of an acid or a base.  

Acids and bases neutralize each other, forming a salt and water. Basically, a strong acid-strong base neutralization gives  a neutral solution with a pH of 7.

7 0
3 years ago
The National Climatic Data Center (NCDC) in Asheville, North Carolina is the world's largest active archive of weather data.
sveta [45]

Answer:

D) the automobile industry is solely to blame for the increase in global

temperatures

Explanation:

that is based because many things cause global warming, not just the exhaust from cars.

4 0
2 years ago
PLEASE HELP ME ASAP :(
kvv77 [185]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer:  C that protists are single-celled organisms

Explanation:

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

5 0
3 years ago
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