5 Written Questions
5 Matching Questions
- Peripheral nervous system
- Central nervous system
- Countercurrent exchange
- a 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.
- b The part of the nervous system that is comprised of the brain and spinal cord.
- c Branched extensions of nervve cells that transmit impulses to that cell.
- d Arrangement of vascular tissues that enable heat to be transferred from a vessel carrying fluid from the core to an extremity, to a vessel carrying fluid from an extremity to the core.
- e Sub-branch of the nervous system involving all nerves that lie outside the brain and spinal cord.
5 Multiple Choice Questions
- Compound that when added to a fluid loewrs the freezing point of the fluid.
- Organisms whose body temperature is maintained by internal metabloic sources.
- Features that assist an organism to survive in a particular habitat.
- Part of the neuron that contains the nucleus. Also called the soma.
- The maintenance of constant internal salt and water concentrations in internal fluids.
5 True/False Questions
Negative feedback → Compound that when added to a fluid loewrs the freezing point of the fluid.
Effector neurons → Neurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.
Osmosis → The net movement of water across a partially permeable membrane without an input of energy and down a concentration gradient.
Homeothermic → Organism whose body temperature fluctuates with its surroundings.
Axon → Exntension of a nerve cell along which impulses are transmitted away from that cell.