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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| life cycle |
1 |
today |
the sequence of changes that a living thing goes through as it grows and develops. Birth, growth, reproduction, aging, and death are all stages in the life cycle of an animal. |
Kids |
Ch. |
| brain |
1 |
today |
the organ inside the skull of humans and animals. The brain is the main part of the central nervous system. It controls the body's movements and activities and is the center of thought, memory, and feelings. [3 definitions] |
Kids |
Ch. |