I believe the answer is a.
A tissue<span> is a group of many similar cells .</span><span>An </span>organ is<span> an anatomically distinct structure of the </span>body composed<span> of two or more </span>tissue<span> types.</span>Organs<span> that </span>work together<span> are grouped into </span>organ<span> systems.</span>
''They must open from the top'' is the exception of the requirement for container for hazardous material
<h3>Following are requirements for containers for hazardous material:</h3>
1. They must be leak and puncture proof.
2. They can only be used by people after proper training.
3. They must have biohazard symbol clearly displayed on it.
In conclusion, the container of hazardous materials should be tightly closed from the top.
Learn more about hazardous here: brainly.com/question/7310653
Answer:
This is know as Bradycardia.
Explanation:
Common Understanding!
