5 Written Questions
5 Matching Questions
- Effector neurons
- a Organism that is able to maintain an internal body temperature within a narrow range. Endothermic.
- b Nerve cells found within the CNS which communicate between affector and effector neurons.
- c Neurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.
- d Excretory organs involved in osmoregulation.
- e Organisms whose body temperature is maintained by internal metabloic sources.
5 Multiple Choice Questions
- Part of the neuron that contains the nucleus. Also called the soma.
- Feedback that tends to stabilize a process or conditions by reducing its rate or output when its effects are too great.
- In animals, chemicals produced in endocrine glands that are released into and transported via that bloodstream to other parts of the body where they act.
- Branched extensions of nervve cells that transmit impulses to that cell.
- Sub-branch of the nervous system involving all nerves that lie outside the brain and spinal cord.
5 True/False Questions
Affector neurons → Neurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.
Poikilothermic → Organims whose body temperature varies with the external environment. Ectothermic.
Homeostasis → The maintentance of a relatively stable internal environment.
Ectothermic → Organism whose body temperature fluctuates with its surroundings.
Osmosis → The net movement of water across a partially permeable membrane without an input of energy and down a concentration gradient.