Question

say if the statements are true or false. Correct the false statements.
1. veins are located deep inside the body
2. The human heart has four chambers
3 The valves between the upper and lower chambers of the heart can open both ways​

Answer 1

Answer:

is true.

B is true.

C is false. Impure blood reaches to the right atria from the vena cava.

D is false. Valves in the veins open only in one direction, towards the heart.

E is false. Pericardium consists of a fibrous layer on the outside. It consists of the double membranous serous membrane.

F is true

Answer 2

1.False
2.True
3.True
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