Number of chambers in the heart of cockroach is?

By BYJU'S Exam Prep

Updated on: September 25th, 2023

(a) 5

(b) 13

(c) 16

(d) 9

There are 13 chambers in the heart of cockroaches. Compared to human hearts, cockroaches’ multi-chambered, tube-shaped hearts are significantly more resilient to failure. The opening of the first chamber leads to the aorta, which then leads to the head sinuses.

Number of Chambers in the Heart of Cockroach

  • Cockroaches’ heart chambers are in an onion-like pattern of concentric spheres rather than a tube.
  • Cockroaches are members of the phylum Arthropoda’s class Insecta.
  • They are creatures with brown or black bodies.
  • The size spans from 0.6-7.6 cm, and it has long legs, an expansion of the upper body wall that hides the head, and a long antenna.
  • The cockroach’s body is divided and segmented into three separate areas: Head, Thorax, Abdomen.
  • The cockroach’s entire body is encased in a tough, brown shell called chitin.
  • The cockroach circulatory system is an open kind. Cockroaches have underdeveloped blood arteries that open into an area called a hemocoel.
  • The cockroach’s heart is a muscular tube that extends down the dorsal line of the thorax and abdomen.
  • Ostia changes it into chambers that resemble funnels. The 13 chambers tubular heart of the cockroach. As a result, Choice 2 is right.
  • Each chamber has two Ostia, which are similar to slit-like holes where oxygenated blood enters.


Number of chambers in the heart of cockroaches? (a) 5 (b) 13 (c) 16 (d) 9

The number of chambers in the heart of a cockroach is 13. It has multi-chambered, tube-shaped hearts. The shape of a cockroach heart is in onion-like pattern of concentric spheresThe other body parts of a cockroach is the Head, Thorax, and Abdomen.

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