Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
Central nervous system (CNS) |
The brain and spinal cord |
|
|
Spinal cord |
Nerves that run up and down the length of the back and transmit most messages between the body and brain |
|
|
Midbrain |
A small part of the brain above the pons that arouses the brain, integrates sensory information, and relays it upward |
|
|
Neurons |
The long, thin cells of nerve tissue asking which message travel to and from the brain |
|
|
Neurotransmitters |
The chemicals released by neurons, which determine the rate at which other neurons fire |
|
|
Hormones |
Chemical substances that carry messages through the body in blood |
|
|
Identical twins |
Twins who come from one fertilized egg; twins having the same heredity |
|
|
Hindbrain |
A part of the brain located at the rear base is the skull that is involved in the basic processes of life |
|
|
Midbrain |
A small part of the brain above the pons that arouses the brain, integrates sensory information, and relays it upward |
|
|
Forebrain |
A part of the brain that covers the brain's central core, responsible for sensory and motor control and thinking and language |
|
|
Lobes |
The different regions into which the cerebral cortex is divided |
|
|
Electroencephalograph (EEG) |
A machine used to record the electrical activity of large portions of the brain |
|
|
Computerized axial tomography (CT)(CAT) |
An imaging technique used to study the brain to pinpoint injuries and brain deterioration |
|
|
Positron emission tomography (PET) |
An imaging technique used to see which brain areas are being activated while performing tasks |
|
|
Heredity |
The genetic transmission of characteristics from parents to their offspring |
|
|
Endocrine system |
A chemical communication system, using hormones, by which messages are sent through the bloodstream |
|
|
Thyroid gland |
Produces thyroxine; stimulates certain chemical reactions that are important for all tissues of the body |
|
|
Adrenal glands |
Release epinephrine and norepinephrine; heartbeat and breathing to increase and emotions such as fear or anxiety |
|
|
Cortical steroids |
Help muscles develop and cause the liver to release stored sugar for emergencies |
|
|
Testes |
Produce testosterone; physical development of males, decide the sex of a fetus |
|
|
Genes |
The basic building blocks of heredity |
|
|
Premenstrual syndrome (PMS) |
Fatigue, irritability, and depression |
|
|
Limbic system |
Regulate emotions and motivation |
