Answer:
What are the options and what are the different celestial bodies?
Explanation:
you can't expect someone to fully answer a question where they need more information to answer it in the first place> if you edit your answer, you should be able to add those needed pieces of information to the question!
that or you might get flagged for having a confusing or incomplete answer, i wouldn't do that i'm just warning you for future reference!
<u>Answer:</u>
C is the answer.
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<u>Explanation:</u>
Organelles (the smallest in this situation) are what you can find inside a cell (example: nucleus, mitochondria, etc..).
Cells are what make up tissues (such as muscles).
Tissues make up organs (such as the heart) and organs make up organ systems (such as the circulatory system).
Alphonse Bertillon was a French criminologist who first developed this anthropometric system of physical measurements of body parts.
Answer:Valves stop blood flowing backwards
Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.
<span>B. A virus that causes a common cold
Hope this helps!
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