What structurprotects thheart anlungs?
A) vertebral column
B) pelvic girdle
C) pectoral girdle
D) ribs and sternum
E) all of these
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Q7: What typof skeleton is an internal fluifillechamber?
A)hydroponic
B)hydrostatic
C)hydrophobic
D)hydrophilic
E)endoskeleton
Q8: Muscles must interact with _ in order
Q9: Which skeleton moves in responsto muscular contraction?
A)endoskeleton
B)exoskeleton
C)hydrostatic
Q10: What structurdoes thvertebral column protect?
A)heart
B)lungs
C)liver
D)brain
E)spinal cord
Q11: Which bonis founin thpectoral girdle?
A)scapula
B)femur
C)tibia
D)vertebrae
E)fibula
Q13: Which skeleton provides thleast amount of protection
Q14: What structures arfounbetween thvertebrae?
A)cartilage pads
B)adipose cells
C)nerve cells
D)epithelial
Q15: Which organisms most likely possesses an endoskeleton?
A)worm
B)fruit
Q16: What hormonincreases thsizof a musclcell?
A)progesterone
B)estrogen
C)luteinizing hormone
D)testosterone
E)none of
Q17: What structurproduces contractions within musclcells?
A)protein filaments
B)adipose tissue
C)bone
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