Pulmonary vein
Aorta
Pulmonary artery
Vena cava
The correct answer is postural muscles.
Postural muscles are muscles with the function to sustain posture in the gravity field. In response to stimuli such as over-use, under-use or trauma, postural muscles tend to shorten. This type of muscles is sometimes called tonic muscles because they have high resting tonus.
Answer:
Explanation:
Common insect adaptations include an exoskeleton (outer skeleton), camouflage, wings, the ability to have lots of babies, and adapted legs and mouthparts
