Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Vocabulary Chapter 6
Unit 3: Chapter 6 Vocabulary
| Term | Definition |
|---|---|
| Central Nervous System | The complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord. The body's processing centre. |
| Peripheral Nervous System | The portion of the nervous system that lies outside the brain and spinal cord. Relay information between your brain and the rest of your body. |
| Neurons | They are information messengers. They use electrical impulses and chemical signals to transmit information between different areas of the brain, and between the brain and the rest of the nervous system |
| Synapse | The gap that exists between individual nerve cells, transmission of electric nerve impulses between two nerve cells (neurons) or between a neuron and a gland or muscle cell (effector). takes place. |
| Neurotransmitters | The chemicals messengers that your body can't function without, released by neurons, which determine the rate at which other neurons fire |
| Somatic Nervous System | A component of the peripheral nervous system associated with the voluntary control of the body movements via the use of skeletal muscles. |
| Autonomic Nervous System | The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, digestive processes, internal organs and glands. |
| Endocrine System | A chemical communication system, using hormones, by which messages are sent through the bloodstream |
| Hormones | Chemical substances that carry messages through the body in blood |
| Pituitary Gland | The major endocrine gland. A pea-sized body attached to the base of the brain, is important in controlling growth and development and function of other glands. Secretes a large number of hormones |
| Genotype | Their unique sequence of DNA.; the set of genes in an organism |
| Phenotype | The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. |
| Computerized Axial Tomography (CT) | A procedure that uses a computer linked to an x-ray machine to make a series of detailed pictures of areas inside the body. Used to study the brain to pinpoint injuries and brain deterioration |
| Electroencephalogram (EEG) | A test that detects abnormalities in your brain waves, or in the electrical activity of your brain |
| Magnetic Resonance imaging (MRI) | Procedure that uses radio waves, a powerful magnet, and a computer to make a series of detailed pictures of areas inside the body. Used to study brain structure and activity |
Created by:
Asyriah
Popular Science sets