What do the ductus arteriosus and the foramen ovale become at birth?
A) ligamentum arteriosum; fossa ovalis
B) ligamentum teres; fossa ovalis
C) fossa ovalis; ligamentum arteriosum
D) ligamentum arteriosum; ligamentum teres
A
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A general characteristic of connective tissue is that it
A. has no blood supply. B. covers the outside of organs. C. lines organs. D. consists of cells within extracellular material.
Match the following:
A) Osteoblasts B) Osteoclasts C) Endosteum D) Lamellae E) Canaliculi 1) The lining of the marrow cavity. 2) Cells that can dissolve the bony matrix. 3) Layers of bone matrix. 4) Small channels that radiate through the matrix of bone. 5) Cells that can build bony matrix.
The ribs are portions of the axial skeleton
Indicate whether the statement is true or false
Hemoglobin that has released its O2
A. is broken down to heme and globin and excreted. B. loses its affinity for O2. C. will dissolve in the plasma. D. will bind more readily to CO2. E. will bind more readily to O2.