Insects have exoskeletons Exoskeleton: Endoskeleton

1
Insects have exoskeletons
2
Exoskeleton
Endoskeleton
3
Digestive systems
earthworm
human
bird
4
Human Digestive System
5
Generalized insect digestive system
6
Vertebrate circulatory systems
7
Human circulation
8
Circulation in a Bird or Mammal
Pulmonary circulation
(1)
Systemic circulation
9
Insect circulatory system
Dorsal vessel
10
Composition of human blood
Plasma Cellular portion
11
Various Respiratory Organs
Protozoan
Earthworm, amphibian
Starfish
Insect
Fish gill
Mammalian lung
12
Human respiratory system
13
Insect respiratory system trachea, tracheole
System of tubules
Air sacs
Aquatic insects have various mechanisms
14
Nitrogenous Wastes
15
Human excretory system
Nephron, the functional unit
Overview
kidneys
16
Functions of the kidney
17
A mammalian nephron
18
Insect excretory system Malpighian tubules
19
(No Transcript)
20
Evolution of the Nervous System
Sponges-NOT
21
Generalized insect nervous system
ventral chain of ganglia
22
Divisions of the Vertebrate Nervous System
23
(No Transcript)
24
(No Transcript)
25
Analogous structures in Humans Hypothalamus
Neurohypophysis (posterior pituitary) Adenohypop
hysis (anterior pituitary)
Insect neuroendocrine elements
Protocerebrum Corpora cardiaca Corpus allatum