Insects Exchange And Transport

Question 1

How do they transport oxygen

Answer 1

They have an open circulatory system in which body fluids transports hormones and nutrients

Question 2

What system do insects use

Answer 2

Tracheal system

Question 3

How does air enter the insect

Answer 3

Pores called spiracles in the body
Found in the thorax and abdomen

Question 4

How to cut open insect

Answer 4

1. Cut open exoskeleton and flood it with water to show the teacheae and tracheoles

Question 5

Ventilation in insects

Answer 5

Large insects with high energy demands can ventilate respiratory system.
Muscle in thorax or adbomen changes the volume and the pressure which causes air to be drawn out

Question 6

Insects Vs Human trachea

Answer 6

Insects have multiple trachea and humans only have 1
Human trachea held open by c shaped cartilage whilst insect have complete rings of chitlin
Tracheoles go directly to tissues whereas humans have a respiratory system linked to tissues by circulatory system and blood