Negative Feedback Flashcards
What is a adaptation of a decrease in body temperature
Vasoconstriction of blood vessels, decreased sweating, hairs stand erect
What is an adaptation of an increase of temperature
Vasodilation of blood vessels, increased sweating and hairs lie flat
Where in the brain controls temperature
The hypothalamus
What is an endothem
An animal which generates its own heat
What is an ectotherm
An animal that gets most of their heat from their surroundings rather than making it themselves
As blood glucose increases what hormone is secreted and what is glucose converted too?
Insulin and glycogen
As blood glucose decreases what is secreted and what is converted to glucose?
Glucagon and glycogen
If water concentration is in low/high in the blood more adh is released by the pituitary gland
Low
If ADH is present in blood passing through the kidneys the permeability of the tubules do what?
Increase
What detects changes in water concentration in the blood to the pituatry glands
Nerve impulses or sensory nerves
Blood glucose hormones are produced by what
The pancreas
What is the name given to the maintaining of the constant conditions in the body
Homeostasis
