it is c...........................................................................................................
Organisms that are generally unicellular are prokaryotes.
Answer:
2. They are held closed by the chordae tendineae to prevent blood from flowing back into the right atrium.
C is correct i believe i think all the others are wrong but im not entirely sure
<span>arteries that carry blood pumped from the heart – these are the largest and strongest. veins that return blood to the heart. capillaries, which are tiny vessels that connect arteries and veins, and allow blood to come into close contact with tissues for the oxygen, carbon dioxide, food and waste.
hoped it helped !!!!
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