Course

Introductory Biology

Study Pack

Set 39 Locomotion And Support Systems

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Question 1

(Multiple Choice)

Free
Which of the following associations of bone structures and functions is NOT correct?

A)osteoblasts - cells that build bone tissue
B)osteoclasts - cells that break down bone tissue
C)osteons - tubular units of compact bone
D)red bone marrow - fat-storage tissue
E)lacunae - tiny chambers in concentric circles around a central canal

Answer

Question 2

(Multiple Choice)

Free
Which of the following statements about skeletons is NOT true?

A)The skeleton of a vertebrate is an endoskeleton.
B)The skeleton of an arthropod is an exoskeleton.
C)The skeleton of a clam is an exoskeleton.
D)All exoskeletons must be shed as the animal grows.
E)An earthworm has a fluid-filled cavity that acts as a hydrostatic skeleton.

Answer

Question 3

(Multiple Choice)

Free
________ will take calcium from the blood,whereas ________ will deposit calcium into the blood.

A)Osteoclasts; osteoblasts
B)Osteocytes; osteoclasts
C)Osteocytes; osteoblasts
D)Osteoblasts,osteocytes
E)Osteoblasts; osteoclasts

Answer