It is known as structurlism
I believe blood vessels constrict
Releasing insulin to decrease blood sugar and releasing glucagon to increase blood sugar
Answer:
Spindle fibers form a protein structure that divides the genetic material in a cell. The spindle is necessary to equally divide the chromosomes in a parental cell into two daughter cells during both types of nuclear division: mitosis and meiosis. During mitosis, the spindle fibers are called the mitotic spindle.
Explanation:
Answer is b hole this helps