Science, asked by nishi7964, 8 months ago

48. Which is correct? *
A. The wall of ventricle is thinner
than that of atrium.
O
B. Heart is surrounded by
pericardium.
C. Vertebrate heart is dorsally
placed.
O D. Mammalian RBC is nucleated.​

Answers

Answered by Minatia
1

Answer:

(b)Heart is surrounded by

pericardium.

Explanation:

The pericardium is a thin sac that surrounds your heart. It protects and lubricates your heart and keeps it in place within your chest. Problems can occur when the pericardium becomes inflamed or fills with fluid.

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