Select the correct answer from each drop-down menu. Alma is walking in a park. Suddenly, a wild dog charges toward her. Alma is frightened. The starts to respond by increasing her heart rate and dilating her pupils. After running for a few minutes, Alma realizes that the dog has fallen far behind. At this point, her starts working to relax her body by slowing down her heart rate and constricting her pupils.

Sympathetic and parasympathetic nervous system which are forms of autonomic nervous system

Explanation:

Sympathetic nervous system - Alma is frightened. The sympathetic nervous system starts to respond by increasing her heart rate and dilating her pupils.

The sympathetic nervous system is also refer to as the fear and flight system, it helps activate hormones and neurones that respond to stress by responding to fear, threat, frightening situations by increasing the rate at which the heart beat,dilating the pulpil, increasing blood pressure.

Parasympathetic nervous system -her starts working to relax her body by slowing down her heart rate and constricting her pupils. When her parasympathetic nervous system start working the pressure, fear ,frightening is calm then her heart rate and dilating pulpil will relax. It is also called the rest system by inhibiting some activities in the body

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme