Answer:
b. Cellulose acetate
Explanation:
Cellulose acetate is acetate ester of the cellulose.
The material was first prepared in 1865. It is used as film base in the photography as component in coatings and also as frame material for the eyeglasses. Also, it is used as synthetic fiber in the manufacture of the cigarette filters and also in playing cards. It is used because it is far less flammable and also cheaper to produce. <u>It provides support and stiffness to the X-ray film and further helps in producing good results.</u>
The human body contains approximately 640 muscles.
- The muscles represent one of the four types of tissues (the remining include connective tissue, nerve tissue and epithelial tissue) found in the human body.
- A muscle is a group of cells that contract together as a unit in order to produce a force.
- Muscles can be divided into skeletal (voluntary) muscles, smooth (involuntary) muscles, and cardiac (involuntary) muscles.
In conclusion, the human body contains approximately 640 muscles.
Learn more about muscles here:
brainly.com/question/9883108
Answer:
Methyldopa
Explanation:
Methyldopa is a common drug used to treat hypertension during pregnancy. Hope this helps friend.
