Which of the following occurs in intramembranous ossification?
A) Hyaline cartilage model forms.
B) Periosteum forms a collar around the cartilage.
C) Fibrous connective tissue is converted to bone tissue, which first resembles spongy bone.
D) As the bone enlarges, osteoclasts break down some of the spongy bone and create a marrow cavity.
E) Ossification centers are formed as blood vessels and osteoblasts enter the centers of the epiphyses.
C) Fibrous connective tissue is converted to bone tissue, which first resembles spongy bone.
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The ________ test is often used to estimate the glomerular filtration rate
A) inulin B) glucose tolerance C) CBC or complete blood count D) specific gravity E) creatinine clearance
Which of the following is not true of the nasal conchae?
A. They reduce turbulence inside the nasal cavity. B. They help warm the air. C. They moisten the air. D. They help cleanse the air. E. There are superior, middle, and inferior nasal conchae.
The most common element in the human body is ________
A) carbon B) oxygen C) hydrogen D) nitrogen
The pathway from the lungs, through the left side of the heart and out the aorta to the body tissues is called the
A. coronary circulation. B. systemic circuit. C. hepatic-portal system. D. pulmonary circuit.