Card Set Information
Basic things about the nervous system, the senses and the brain
list the levels of organization in a multicellular organism from smallest to largest
Stores mineral reserves and provides a site for blood cell formation.
provides oxygen and removes carbon dioxide
coordinates the bodys response to changes in internal and external environments
helps to circulate blood and move food thorugh the digestive system
Controls Growth, Development and metabolism: Maintains homeostasis
Produces reproductive cells
Converts food so it can be used by cells
Helps protect the body from disease
Brings materials to cells fights infection and regulates body tempature.
Serves as a barrier against infection
Eliminates waste and maintains homeostasis
What are four types of tissue found in the human body?
Epithelium, Connective, Nervous, Muscle
Most abundant tissue in most animals is
what kind of tissue covers the surface of the body and lines internal organs.
What is the process of maintaining a controlled stable internal environment.
The process by which the product of a system shuts down the system or limits its operation is referred to as?
The part of the brain that monitors and controls body temperature is?
What are the three types of neurons?
Motor neurons carry impluses from the brain? True. false?
True . Motor neurons carry impluses from the brain
True or false? There are more sodium ions in the cytoplasm than the fluid outside the cell.
The difference in electrical charge across the cell membrane of a resting neuron is called?
reversal of charges due to the flow of positive ions into a neuron
the minimum level of a stimulus that is required to activate a neuron is called the
the location at which a neuron can transfer an impluse to another cell
The central nervous system consist of
the brain and the spinal cord
three layers of connective tissue is called the...
The two hemispheres of the brain are connected by the
The four lobes of the brain
The outter layer of the cerebrum is called the
The two regions of the brain are
Ganglia, Cranial Nerves and spinal Nerves are apart of..
Peripheral Nervous system
Somatic nervous system controls the activies of
lifting a finger
wiggling the toes
pulling foot away from tack
5 General categories of sensory receptors
Light enters the eye through the cornea
The lens focuses light on
The function of the iris is to adjust the
is to adjust the size of the pupil
The two sensory functions of the ear
Detecting positional changes
Vibraitions enter through
The auditory canal
What we commonly call taste is actually smell. true ? false
Four Categories of taste
The skin contains sensory rceptors that respond to Temperature touch and pain. True? , False?
Controls voluntary activities of the body
Coordinates and balances the actions of the muscles
regulates the flow of info between the brain and the rest of the body
Relays messages from the sense organs
Controls hunger, Thrist, anger, and body tempature.