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Gr 7 Science Ch 3
Gr 7 Science Ch 3.4-3.5
| Term | Definition |
|---|---|
| tissue | group of different types of cells working together to perform a single function |
| epithelial tissue | tissue that forms protective barriers for the body |
| muscle tissue | tissue type that provides motion |
| connective tissue | any tissue that is used to link parts of the body together |
| nerve tissue | tissue that the body uses to conduct impulses to and from all parts of the body |
| conception | union between egg and sperm; also called fertilization; the point at which life begins |
| uterus | womb; the organ in which an unborn human child or the young of a placental mammal develops |
| placenta | structure in a human or placental mammal that keeps the baby attached to the wall of the uterus and allows exchanges between the baby's blood and the mother's blood |
| umbilical cord | the structure that connects a developing baby to the placenta and uterus |
| umbilicus | the place where the umbilical cord connected to a baby before birth; also called navel |
| cell | smallest part of your body that is said to be alive |