Which muscles are important in sitting cross-legged, as one might sit around a campfire?
What will be an ideal response?
Muscles that permit a person to assume this sitting posture are those that cross both the hip and knee joints. These muscles include the sartorius, which allows the knee to be flexed, as well as the muscles that act to rotate the thigh laterally.
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The retina is composed of two layers: an inner pigmented layer and an outer neural layer
Indicate whether this statement is true or false.
An example of a three-part endocrine axis involves the hypothalamus, pituitary, and adrenal cortex
Indicate whether the statement is true or false
This hormone stimulates uterine contractions during birth and causes milk ejection in the lactating mother
A) prolactin B) oxytocin C) gonadocorticoids D) melatonin
Which of the following is an example of how the cardiovascular system contributes to osteoporosis?
A. pain following injury helps prevent further injury B. calcitonin is used to treat osteoporosis C. lack of exercise reduces muscle stress on bone D. blood clotting starts repair process E. inadequate amounts of calcium and vitamin D in the diet