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sciencech2526
| Question | Answer |
|---|---|
| dendrites | short,branched extensions of a nerve cell that receive information |
| axon | passes on impulses (messages) to other cells |
| involuntary movements | movements that you CAN'T control |
| voluntary movements | movements that you CAN control |
| central nervous system (CNS) | brain and spinal cord |
| medulla | part of the brain that controlls heart rate, and breathing. connects the brain to the spinal cord |
| cerebellum | part of brain that controls balance |
| cerebrum | controls all voluntary acts including thought and where memories are stored |
| left side of brain | controls right side of your body |
| right side of brain | controls left side of your body |
| ovulation | the process in which an egg is ejected through the ovary wall |
| budding | asexual,part of the parents body develps into another organism |
| nerves | axons bundled together with blood vessels and connective tisue |
| asexual reproduction | reproduction that involves a sigle parent producing and extra copy of itself |
| sexual reproduction | reproduction that involves 2 parents producing an offspring with mixed characteristics |
| fragmentation | a type of reproduction in which an organism breaks into two or more parts, each of which may grow into a separate organism |
| vas deferens | a tube in males where sperm is mixed with fluids to make semen |
| fallopian tubes | the tube that leads from each ovary to the uterus |
| menstruation | if the egg is not fertilized by the time it reaches the uterus, the egg is removed from the females body |
| infertile | not being able to have children |
| identical twins | 1 egg is released and fertilized and it splits |
| fraternal twins | 2 separate eggs are released and fertilized |
| female sex cell | egg, with 23 chromosomes |
| male sex cell | sperm, with 23 chromosomes |
| male hormone | testosterone |
| female hormone | estrogen |
| zygote | a fertilized egg, with 46 chromosomes |
| external fertilization | when an organism fertilizes the egg outside the female's body |
| internal fertilization | when an organism fertilizes the egg inside the female's body |
| puberty | the time of life when the sex organs become mature |
| epididymis | the tube where sperm is stored before leaving the testes |
| uterus | an organ in the female reproductive system where the zygote grows and develops |
Created by:
whitet
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