Answer:
The circulatory system
Explanation:
The heart, veins and arteries works together to service the cells of the body
Skeletal, smooth, and carbiac. Carbiac makes up the heart.
Answer:
The first thing to look at would be type of symmetry the organism exhibits. If it is asymmetrical then it would be a sponge and the discovery could stop right there. If not, other characteristics need to be investigated.
Knowing the type of body cavity this organism has would be helpful.
It would also be beneficial to know what type of skeleton (endo or exo) this organism has and what its appendages look like.
Finally, the type of digestive tract and the presence or absence of a head would help to determine what this creature is.
Answer:
It's the ( Synovial membrane )
False.
The equipment and tubing might have still been touched or used, even if there isn't blood inside. All equipment should be thoroughly cleaned before use, or if necessary, discarded.