Question

Where are the following structures located?

(i) Bun dle of His

(ii) Bi cus pid valve

(iii) SA node

(iv) Alveoli

(v) Parotid gland

(vi) Malpighian tu bule​

Answer 1

Answer:

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Explanation:

1. , 2.  , 3. - heart

4.in lungs

5. in mouth

6. in insects for excretion