Muscles

Question 1

Function

Answer 1

• Body support & posture
• Locomotion
• Flight
• Movement of viscera

Question 2

Types

Answer 2

• Skeletal muscles: Attached to the integument
• Visceral muslces:

Question 3

Skeletal muscles

Answer 3

Direct flight muscle (primitive state)
* Attached to wings directly
* Slower wing beat (30 wing beat/sec)
* Can move wings independently
* Found in dragonflies, damselflies

Indirect flight muscle:
* Attached to notum & sternum
* More efficient
* Higher beat frequency
* Found in most insects

Question 4

Visceral Muscles

Answer 4

Surround heart, digestive track & reproductive system

Question 5

Apodemes

Answer 5

Ingrowths of the insect’s exoskeleton to which muscles attach