The two systems with related functions that will change the most rapidly at birth, but that are still undergoing some differentiation shortly before birth, are the circulatory and ________ systems.
Fill in the blank(s) with the appropriate word(s).
respiratory
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The perichondrium is a layer of dense irregular connective tissue surrounding __________.
A. a bone B. most cartilage C. a blood vessel D. the brain and spinal cord E. the pericardial cavity
In the diagram, which labeled structure is the pulmonary semilunar valve?
a) B b) D c) E d) A e) None of these choices
Answer the following statements true (T) or false (F)
1. The most abundant dietary lipids in the diets of most Americans are triglycerides. 2. There are no complete proteins. All animal products should be eaten with plant material to make a complete protein. 3. The body is considered to be in nitrogen balance when the amount of nitrogen ingested in lipids equals the amount excreted in urine. 4. The amount of protein needed by each person is determined by the age, size, and metabolic rate of the person. 5. Vitamins are inorganic compounds that are essential for growth and good health.
Predict the degree of scarring after the healing of a horizontal cut on the forehead just above the eyebrow
A) The scarring will be minimal because the cut follows the same direction as the tension lines. B) The scarring will be minimal because the cut is at a right angle to the direction of the tension lines. C) The scarring will be significant because the cut follows the same direction as the tension lines. D) The scarring will be significant because the cut is at a right angle to the direction of the tension lines. E) The scarring will be minimal because no tension lines run through that area of the body.