Question

Tick the the correct options

1) The alternate movement of the of the oesophagus to pen food in to the stomach

a) peristalsis
b) locomotion
c) Relaxation
d) contraction

2) Rad blood cells are made in the

a) spleen b) Bone marrow
c) Brain. d) lymphnods


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Answer 1

Explanation:

peristalsis is the answer

Answer 2

Answer:

1. a

2. b

Explanation:

Have a nice day my friend :)