Homeostasis is the process by which organisms keep internal conditions relatively constant<span> despite changes in external environments. Homeostasis in the body is maintained by feedback loops.
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The nervous system contains specialized, communicating nerve cells called _neurons_, and supporting cells called _glial cells_.
The diagram below illustrates a biochemical process that occurs in organisms. The active site is represented by the letter <u>B</u>, while the products are represented by the letter <u>E</u>. so the correct option is - C. B and E
In this diagram, there is a biochemical reaction is shown which is catalyzed by the enzyme.
- Enzymes are biological catalysts that are proteins in nature that help speed up biochemical reactions such as metabolic reactions in organisms.
- Enzymes bind to substrate molecules with the help of the active site.
- The active site of enzymes is like specific grooves or sites where substrate molecules bind and form an enzyme-substrate complex in the reaction.
- Active sites alter the substrate molecules and form product molecules at the end of the reaction.
Thus, the correct option is - C. B and E.
Learn more about enzymes:
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The autonomic nervous system helps in regulating some processes which are without a person’s conscious effort. Some of these processes are breathing rate, blood pressure. The autonomic nervous system is divided into two parts- sympathetic and parasympathetic. In general, the sympathetic part prepares the body for an emergency situations such as sight or flight, whereas, the parasympathetic controls body process during normal situations.
Sympathetic part is at work in these situations:
- Ross feels nervous because he misplaced his important work documents.
- Dory sees a bear while hiking in the woods, and her heart rate increases.
- Rodrigo’s breathing increases when he hears a scary sound.
Parasympathetic part is at work in these situations:
- Maya feels her heart rate slow down after strenuous exercising.
- Sofia’s muscles relax when she finds her missing cell phone.
- Lisa feels calm after yoga class.
