Question

bjeu2gdbicdvjeofglllllll​

Answer 1

Answer:

1.false

2.false

3.true

4.false.

5.yes true.

Explanation:

1.No. walls of atria are thicker.

this is because they need to be deep seated and superficial.

2.no.

all arteries carry oxygenated blood but pulmonary artery is an exception

3.yes.

so that to supply enough oxygen for releasing energy

4.no

we inhale oxygen

5.yes

this happens to cope with. shortage of energy.

and causes cramps

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