The cockroach hemocoil (the body cavity through which blood flows) is divided into three sinuses due to the presence of the ventral and dorsal diaphragms. The pericardial sinus is above the dorsal diaphragm. The peri-visceral sinus lies between the dorsal and ventral diaphragms.
What is the sinuses of cockroaches?
In cockroaches, the sinuses can refer to irregular venous or lymphatic cavities, reservoirs, or dilated blood vessels. It's in the hemocoil. A hemocoil is a space filled with blood lymph in an organism with an open circulatory system, such as a cockroach.
What is a blood sinus with an open circulatory system?
Due to the lack of veins in the open circulatory system, blood lymph is returned to the heart via a series of efferent sinuses and eventually joins the large dorsal pericardial sinus. When the heart relaxes, the blood that collects in the pericardial sinus is drawn into the heart through three pairs of mouths (pores) (Fig. 32.17).
Which is the blood circulation route of cockroaches?
Heart- & gt; Ostia- & gt; Pericardial sinus- & gt; Pericardial sinus- & gt; Head hemocoil.
What is the cockroach Ostia?
First of all, what is the mouth? The heart of a cockroach consists of 13 contraction chambers. A pair of openings called mouths that exist laterally at the rear end of each chamber. Each chamber of the heart receives oxygenated blood from the dorsal sinus through a small hole.
Below you will find two helpful answers on a similar topic. 👇
How do I get rid of baby foxes in my garden?Which of the following encloses heart in cockroach pericardial sinus Perivisceral sinus perineural sinus none of the above?
