Answer:
A) The striations are due to the orderly arrangement of actin and myosin
Explanation:
Smooth muscles are non-striated involuntary muscles which are found in the walls of stomach, urinary bladder, blood vessels...Smooth muscle tissue is composed of spindle-shaped muscle cells with single central nucleus. Like the other two type of muscles (cardiac and skeletal), smooth muscles also have four main functions:
- Contractility-ability to contract. In the case of skeletal muscles it is voluntary, while in cardiac and smooth muscles it is unconscious.
- Excitability-ability to change membrane potential usually by the influence of nervous impulse.
- Extensibility-the capacity to lengthen
- Elasticity-ability to change its length and then return to previous.
Explanation:
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere. In can also be described as a northern subcontinent of the Americas[5][6] in models that use fewer than seven continents. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the west and south by the Pacific Ocean, and to the southeast by South America and the Caribbean Sea.North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), about 16.5% of the earth's land area and about 4.8% of its total surface.
In my opinion, I think it would be granite rocks.
Answer:
B.
Explanation:
The postvoid residual volume less than 50 mL is considered normal, and the volumes greater than 100 mL is generally considered abnormal
Answer: Hello There!............
Dennis Meadow's, the limits to growth, asserted that due to the expanding human population, the ecosystem will collapse by the middle of the twenty-first century.
Explanation:
Mark me brainest please. Hope this helps. Anna ♥
