Answer:
True
Explanation:
Epinephrine and norepinephrine are the hormones secreted by the adrenal medulla and are also called adrenaline and noradrenaline, respectively. During stress conditions, the hypothalamus stimulates the preganglionic neurons of sympathetic division.
These preganglionic neurons stimulate the chromaffin cells to secrete epinephrine and norepinephrine to prepare the body for fight or flight response. The increased level of epinephrine and norepinephrine hormones in the blood is called “surge of adrenaline”
Answer:
Metaphase
Chromosomes line up at the metaphase plate, under tension from the mitotic spindle
Answer:
The Cardiovascular System
Explanation:
The cardiovascular system transports carbon dioxide to the lungs via the blood. The carbon dioxide is then removed from the body through the lungs.
Answer:
Enzymes affect reactions in living cells by increasing the pH of the reactants to speed the reaction. increasing the activation energy and slowing down the reaction. lowering the temperature of the surrounding to help slow the reaction. lowering the activation energy and increasing the speed of the reaction.
Explanation: