A chemical imbalance in the blood can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that

A) all organisms are composed of cells.
B) all levels of organization within an organism are interdependent.
C) chemical molecules make up cells.
D) blood has magical properties.
E) congenital defects can be life-threatening.


Answer: B

Anatomy & Physiology

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a. myogenic b. phasic c. tonic d. clonic e. neurogenic

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An unknown molecule was detected in a tissue sample.  The molecule is composed of carbon, hydrogen, and oxygen; appears to be a branching polymer; and is hydrophilic.  This molecule is most likely a ________.

A. nucleic acid B. protein C. carbohydrate D. lipid

Anatomy & Physiology

Describe differences between the structure of a duplicated chromosome before mitosis and the chromosome produced by separation of two chromatids during mitosis

What will be an ideal response?

Anatomy & Physiology