Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
The cranial cavity, or intracranial space, is the space formed inside the skull. It is part of the dorsal bodycavity<span>.
Answer:
The brain</span>
<span>it helps your heart rate go
down and back to normal and so your body
can function normally </span>
Answer:
- stimulates a chemical reaction, by a cell or disease causing agent
- blocks, a chemical reaction, by a cell or a disease causing agent
- discards a cell or disease causing agent
Explanation: