Question

10
Evaluation
I. Choose the correct answer.
1. What is the length of the alimentary canal?
a) 3-5 m
b) 5-6 m
c) 9-11 m
2. Which organ is involved in respiration?
a) Kidney
b) Lungs
c) Heart
3. How many kidneys do we have?
asa
b)3
c) 1
108​

Answer 1

Answer:

we have 2 kidneys

lungs are involved in respiration

length of alimentary canal is 9m