Animal Nervous, Skeletal, and Reproduction Systems Flashcards
(5 cards)
1
Q
What are the three skeletal systems
A
The 3 systems are hydrostatic, exoskeleton, and endoskeleton.
2
Q
hydrostatic
A
A hydrostatic skeleton has a space inside, filled with fluid, and when the muscle squeezed the body changes shape or moves, the fluid cannot be compressed so it helps keep the body firm
3
Q
exoskeleton
A
hard outer shell made of chitin
4
Q
endoskeleton
A
attaches to muscle on the inside of an animals body. calcium and crystals are what makes up the skeleton
5
Q
A
