Thin tubes that carry oxygen from the air to all the parts in cockroach constitute

Fill in the blanks of the following paragraph using just two words – arteries and veins ___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___ (b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___ (c)___ have thin walls and __ (d)___ have thick elastic walls. Blood flows at high pressure in ___ (e)____. Valves are present in __ (f) ___ which allow blood to flow only towards the heart. __ (g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form __________ .

What is the name of eight blind tubes which arise from the anterior end of the mesenteron in cockroach?

Name the processes that consume oxygen from the air.

Name the tube that carries urine from the kidney to the urinary bladder.

Describe the structures that constitute the mouth parts of a cockroach.

Oxygen is carried to the tissue of cockroach by which organ :

Oxygen is carried to the tissue of cockroach by which orgen :