Unit 4: Body Systems Flashcards
GERD: symptoms & cause
- burning chest pain
* caused by stomach acid going in esophagus
scurvy: symptoms & cause
- bleeding gums
* vitamin c deficiency
what deficiency causes excessive bleeding
vitamin k
what is a ulcer, what symptoms does it cause to the victim
- a tear in the mucus lining the stomach
* results in significant stomach pain
what happens to your body when you have anemia
• your bone marrow does not produce enough rbcs
angina: result of what happening & symptoms
- result of plaque forming in artery
* a burning sensation in the chest
hyponatremia is what deficiency
sodium
goiter: symptoms and deficiency
- a bulge in the neck
* iodine deficiency
rickets: symptoms & deficiency
- bendy leg bones
* deficiency in vit d
celiac disease: symptoms & cause
- exhaustion, weight loss, deficient in various vit & mins despite eating well
- caused by damaged villi
diarrhea is a result of..
an infection from the c. difficile bacteria which causes ions to move into the large intestine, with a large amount of water to follow
describe chemical digestion
an enzyme called amylase secreted by the salivary glands breaks down starch
describe mechanical digestion
food is chewed in mouth by teeth into bolus
what is the function of the epiglottis
it prevents food from entering the trachea
what is perastalsis, what body part does it occur in
• involuntary movement of smooth muscle pushing food down into the stomach, happens in the esophagus
what mechanical digestion is done in the stomach
smooth muscle churns bolus into chyme
what chemical digestion is done in the stomach
- stomach acid kills microbes + loosens macromolecules
* an enzyme called pepsin digests proteins
what is the structure of the villi
- lined with microvilli
* villi are one cell thick, and there are dense capillaries within it
where is the process of digestion completed
small intestine
what are the main purposes of the large intestine
- to absorb h2o from feces
* good bacteria in it make vitamin d and k
