he heart tube of an insects has numerous openings that are called what?

Name of the muscular tube that takes the bolus to the stomach?

The respiratory system of cockroach consists of a network of trachea, that open through ....A.... of small holes called spiracles present on the ....B.... side of the body :-A - 12 pairs, B - lateralA - 10 pairs, B - DorsalA - 8 pairs, B - lateralA - 10 pairs, B - lateral

What is the name of the worms that have a segmented body covered in mucus?

Chewing, jawlike mouthparts found in some arthropods are calledMultiple choice question.mandibles.chelicerae.antennae.tracheae.

a) Insects use tracheae to allow gases to diffuse into their blood.b) Spiracles are openings in the tracheae to the external environment.c) Spiracles mainly open on the upper surface of an insect's body.d) The tracheae branch and divide into smaller tubes.e)Gases move directly in and out of insect cells by diffusion.f) Gases have uniclirectional (one-way) movement in the tracheae.g)Insect gas exchange occurs to facilitate cellular respiration.