| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| box1 |
a container made of stiff material that usually has four sides, a bottom, and a lid. |
| brain |
the organ in the body that controls thought, movement, and feeling. The brain is inside the skull. |
| breathe |
to take air into and out of the lungs. |
| camp |
to set up a temporary shelter, such as a tent. |
| clean |
not dirty. |
| deal |
to handle or give your attention to. |
| emergency |
a sudden dangerous situation that requires immediate action or help. |
| household |
the group of people, such as a family, that lives together in one place. |
| narrow |
not wide. |
| pulse |
the regular beating of the arteries that is caused by the beating of the heart. The pulse can be felt in the wrist or neck. |
| ribbon |
a narrow strip or band of material used as decoration for hair, gifts, or the like. |
| roof |
the surface or covering on the top of a building. |
| tool |
a thing that is used to help a person do work and that is usually held with the hands. |
| welcome |
used to express warm greetings to someone who has just arrived. |