Select the correct route for the passage of sperms in male frogs:

Frog’s heart when taken out of the body continues to beat for some time. 
Select the best option from the following statements. 
(a) Frog is a poikilotherm. 
(b) Frog does not have any coronary circulation. 
(c) Heart is "myogenic" in nature 
(d) Heart is autoexcitable

1. Only (d)

2. (a) and (b)

3. (c) and (d)

4. Only (c)

Smooth muscles are:

1. involuntary, fusiform, non-striated

2. voluntary, multinucleate, cylindrical

3. involuntary, cylindrical, striated

4. voluntary, spindle-shaped, uninucleate

Which type of tissue is correctly matched with its location?