In rabbit,the uterus is

The term 'tissue' was introduced by

Organs and organ systems are formed by the organization of which of the following?

Match the following Column-$I$ with Column-$II$ and choose the correct combination.

Column-$I$	Column-$II$
$(a)$ Earthworm	$(i)$ Gizzard
$(b)$ Cockroach	$(i)$ Gizzard
$(c)$ Frog	$(iv)$ Cloaca
$(d)$ Rat	$(ii)$ Caecum

What is a common characteristic between cockroaches and frogs?

Read the following statements about cockroach :
$(a)$ In male cockroach a characteristic mushroom shaped gland is present in the $6^{th}-7^{th}$ abdominal segments which functions as an accessory reproductive gland.
$(b)$ Cockroach is uricotelic.
$(c)$ The fat body and uricose gland help in excretion.
$(d)$ Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again.
Which of the above statements are correct?