It is a compound made of twenty-four total atoms
Explanation:
<em>The disadvantage of a closed circulatory system is that with the blood always contained in vessels, it's under higher pressure. This means it can flow faster, which is necessary for supporting the metabolic rate of more complex animals such as vertebrates. Open circulatory systems are low-pressure systems that cannot meet the needs of a fast metabolism</em>.
The answer to your question would be Carbon, oxygen, hydrogen, and nitrogen.
Because if you take care of your body/organs by exercise and good diet then your bidy will stay healthy without sickness which results in longer life span
