Hormones and Their Functions
This hormone increases water reabsorption in the kidneys by making the collecting duct more permeable to water.
ADH
This type of feedback reduces the effect of a stimulus.
What is negative feedback?
Filtration occurs in this part of the nephron.
What is Bowman’s capsule?
These fish drink seawater and excrete salt through gills and kidneys.
What are marine fish?
This system uses hormones for slow, long-lasting responses.
What is the endocrine system?
This hormone is released in response to high calcium levels in the blood.
calcitonin
This type of feedback amplifies a stimulus, such as during childbirth.
What is positive feedback?
These structures help concentrate urine in desert mammals
What are long loops of Henle?
These fish excrete dilute urine and avoid drinking water.
What are freshwater fish?
This system uses electrical signals for fast, short-term responses.
What is the nervous system?
This hormone is involved in positive feedback during childbirth.
oxytocin
ADH release is an example of this kind of feedback.
What is negative feedback?
These water channels facilitate water reabsorption in the nephron.
What are aquaporins?
This species was mentioned as an example in a multiple choice question.
What is largemouth bass?
These cells release hormones into the bloodstream.
What are neurosecretory cells?
This hormone is released by the pancreas to lower blood glucose levels.
insulin
Oxytocin release during labor is an example of this kind of feedback.
What is positive feedback?
This part of the nephron is permeable to water but not salt.
What is the descending limb?
These organs help fish regulate salt and water balance.
What are gills and kidneys?
These detect changes in the internal environment.
What are receptors?
This hormone is part of the RAAS system from the JGA and causes vasoconstriction. It targets the adrenal cortex.
angiotensin II
The hypothalamus acts as this to regulate body temperature.
What is a thermostat?
This part of the nephron is involved in salt reabsorption but not water.
What is the ascending limb?
Marine fish use this strategy to deal with high salt environments.
What is drinking seawater and excreting salt?
This hormone is released by the thyroid gland.
What is thyroid hormone?