Question

MAKE THE CONNECTION Nutritional deficiencies fere cell to in your textbook or other resource and debe how bone and describe how this channe l unde r Look up nicks to affects the extracellum is the symptoms of rackets 2 Sphincters are circular muscles present in artan area of the body Defecation and urination are controlled by a pair of phinctes external and internal Which type of muscle tissue makes up these sphincter? Briefly explain how sphincters control these function in infants when they go from involuntary to voluntary control 3. Tendons and ligaments have limited blood supply. Explain if and how it affects the repair process in case they get damaged. 4. Read about Marfan syndrome. Describe the tissue it involves: Which organs/systems does it affect? What are the signs and symptoms?

Answer 1

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1. Rickets is caused as a result of vitamin D deficiency. The role of vitamin D in the body is its significance in the absorption of phosphorus and calcium from the gut. Consequently, phosphorus and calcium in the blood is absorbed in the extracellular matrix of bone hence giving them strength. Therefore, deficiency of vitamin D results to soft bones that are a symptom of rickets.
2.The internal sphincters is made by of smooth muscle.
-Once the large intestine has pushed stool to the anorectal area, sphinctermuscles that control feces leaving the body are used. Children are able to voluntarily control those muscles to hold stool, or relax the muscles to go to the bathroom.
3.They do not have the supplies necessary to rebuild collagen, which means tendons and ligaments will not real completely from injury.
4. - In marfan syndrome connective Tissue is involved.
- It affects the Skeleton, Heart, blood vessies eyes, skin, Nervous system, and lungs.
- The signs and symptoms are, Long arms, legs, and fingers , Taller thin bone, curved spine, Heart problems, raised roof of mouth and crowded teeth, blurred vision or nearsightedness, bulging etc.