G10 Nervous System & (Homeostasis) (Slides) Flashcards
ability of the body to maintain a constant internal equilibrium. It keeps the body functioning well even when there are changes in the environmen
Homeostasis
sensing components that monitors changes in the organism’s or structure’s environment
receptor
receives messages from the receptors.
This is usually associated with the nervous system
control center
The effector receives the messages from the _ _
control center
The effector receives the messages from the _ _
control center
The _ receives the messages from the control center
The _ enacts the necessary changes.
effector
The _ pathway carries the nerve impulses to the central nervous system (CNS).
These signals are carried by _ neurons.
afferent
The _ pathway carries the nerve impulses away from the central nervous system (CNS).
efferent
The CNS sends signals to the _ organs through the efferent pathway.
effector
Homeostasis examples
Osmoregulation
Thermoregulation
Chemical Regulation
refers to the continuous regulation of the osmotic pressure
Osmoregulation
important for maintaining the balance between solutes and fluids in the body
Osmoregulation
the measurement of the tendency of water to move from one side of the solution to another
Osmotic pressure
is involved in maintaining body temperature.
This is necessary to maintain normal metabolic functions.
thermoregulation
copy the temperature of their environment
Thermoconformers
regulate their body temperature
Thermoregulators
controls the amount of solute present in the body fluids to regulate osmotic pressure
Chemoregulation(Chemical regulation)
Osmoregulation
Regulation of the excess water and solutes like salts and urea in the body
Hormonal control
Excretory system and the endocrine system
Thermoregulation
Regulation of the body temperature through sweating, shivering, and blood vessels constriction.
Nervous system regulation
Nervous system, Skeletal system, Muscular system, and the Cardiovascular system
Chemical Regulation
Regulation of some compounds present in the body. An example is the glucose level regulation
Hormonal control
Endocrine System and the Cardiovascular System
occurs when the changes are strengthened by the response of the effector
Positive feedback mechanism
The rate of the process increases as the concentration of the product increases.
Positive Feedback
Hormones trigger positive feedback in females.
This is to create a larger passageway for the baby’s exit.
Positive Feedback: Childbirth
