what is the key difference between a local regulator and a hormone?
450778
What is a key difference between a local regulator and a hormone? Local regulators diffuse to neighboring cells; hormones usually travel throughout the plant or animal body to target distance cells.
74955
Ultimately, hormones control the function of entire organs, affecting such diverse processes as growth and development, reproduction, and sexual characteristics. Hormones also influence the way the body uses and stores energy and control the volume of fluid and the levels of salts and sugar (glucose) in the blood.
1375967
Regulation of metabolic pathways includes regulation of an enzyme in a pathway by increasing or decreasing its response to signals. Control involves monitoring the effects that these changes in an enzyme's activity have on the overall rate of the pathway.
649669
The word that best describes the function of hormones is b) Communication. Hormones are chemical signaling molecules that act as messengers to various targets throughout the body. ... These hormones are important in helping regulate important processes such as growth, development, reproduction, and metabolism.
738789
The biggest difference between the two is that the nervous system uses electrical impulses to send signals through neurones, whereas the hormonal system uses chemical messengers transported into blood plasma to target cells. ... This means that communication is faster when using the nervous system.
970493
Distinguish between circulating and local hormones. 1. Hormones that travel in blood and act on distant target cells are called circulating hormones or endocrines. ... Hormones that act locally without first entering the blood stream are called local hormones.
827957
The endocrine system and diabetes. Diabetes affects how the body regulates blood glucose levels. Insulin helps to reduce levels of blood glucose whereas glucagon's role is to increase blood glucose levels. In people without diabetes, insulin and glucagon work together to keep blood glucose levels balanced.
580391
The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function.
1004431
In contrast to chemical coordination, the nervous system coordinates functions in the animal body on a more localized level as it delivers nerve impulses to contract body muscles or regulate gland activities.
766060
What are internal and external regulators? Internal regulators are proteins that regulate cell growth from inside of the cell. External regulators are proteins outside of the cell that also regulate cell growth.
99730
Both systems control body functions. The nervous system controls through motor responses. Responses are quick, and short-lived. The endocrine system controls through chemicals, and responses are slow and long-lasting.
935431
The HPA axis. Hypophysiotropic neurons localized in the medial parvocellular subdivision of the PVN synthesize and secrete corticotropin-releasing factor (CRF), the principle regulator of the HPA axis. In response to stress, CRF is released into hypophysial portal vessels that access the anterior pituitary gland.
540079
Regulators regulate their bodies to remain at a relatively constant temperature. While in the past such regulators were called warm-blooded, now the preferred term is endotherm – animals that generate heat. ... Regulators tend to be larger than conformers because they produce heat and eat more frequently.
31521
Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body. The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction. The endocrine system regulates how much of each hormone is released.
1118564
Exocrine glands secrete their products directly into ducts, whereas endocrine glands release their products (hormones) into the bloodstream. Specific hormones influence the growth and function of certain target tissues. Hormones can be proteins or smaller polypeptides, amines, steroids, or fatty acid derivatives.
1047742
1) Protein hormones (or polypeptide hormones) are made of chains of amino acids. An example is ADH (antidiuretic hormone) which decreases blood pressure. 2) Steroid hormones are derived from lipids. Reproductive hormones like testosterone and estrogen are steroid hormones.
590621
The endocrine system regulates the internal environment by secreting hormones with the body cause widespread, whole body effects. It regulates and aids int eh development and growth of cells and organs both somatic and sexual. What are hormones? Nicknamed the "master gland".