Describe the primary factors involved in growth
What will be an ideal response?
Growth hormone is necessary for growth, but other factors that affect growth include: (1) genes, which determine a person's maximum growth capacity; (2) adequate diet to provide necessary nutrients; (3) lack of chronic disease and stressful environmental conditions; and (4) normal levels of growth-influencing hormones such as insulin-like growth factors (IGFs), TH, insulin, and sex hormones.Growth hormones exerts it effects on growth indirectly, by stimulating the release of insulin-like growth factors (IGFs or somatomedins) from the liver and other tissues. The IGFs, in turn, stimulate cartilage production at epiphyseal plates in long bones and, thereby, promote the lengthening of bones. Generally, GH promotes the uptake of amino acids that can be used in protein synthesis, which is a primary factor in the growth of all cells.
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Anaerobic reactions of cellular respiration
A) break down glucose into 2 pyruvic acid molecules. B) do all of the above. C) transfer energy to ATP molecules. D) occur in the absence of oxygen.
Which of the following structures is NOT involved in the formation of the face?
A. apical ectodermal ridges B. frontonasal process C. maxillary processes D. mandibular processes
Which of the following represents a local reflex?
A. Motility of the digestive tract in response to stretch of the wall of the digestive tract B. Parasympathetic stimulation causes the gallbladder to release bile C. Secretion of digestive enzymes under the control of the vagus nerve D. All of the choices are correct.
The two organ systems that work together to regulate most aspects of the body's water balance are
A) cardiovascular and respiratory. B) urinary and cardiovascular. C) digestive and cardiovascular. D) urinary and respiratory. E) digestive and respiratory.