Answer:
The most important things for a cell are oxygen in order to respire and Glucose, also for respiration. This is used in a process called glycolysis where the cell makes a chemical called ATP which is basically our energy. ... So basically a cell needs lots to stay alive.
Explanation:
Hydrophilic heads, hyrdophobic tails. Heads are made of phosphate and the tails are made of lipids.
Answer:
Sympathetic nervous system
Explanation:
The sympathetic nervous system is the part of the autonomic system of neurons which gets activated in the condition of stress.
The stress conditions activate the sympathetic nervous system which prepares the human body for the stress condition by either fight or flight mode.
The fight or flight responses requires a large amount of energy which are produced by the activation of the parasympathetic energy therefore the sympathetic system involves the expenditure of the energy. The system is also involved in sexual arousal.
Thus, the Sympathetic nervous system is the correct answer.
