Digestion and absorption
Jaundice liver affected, skin plus eyes becomes yellow bile pigments deposited
Vomiting is controlled by the medulla and nausea is followed by vomiting
Diarrhea liquid fecal discharge, reduced absorption of food
Constipation feces retained within the rectum
Indigestion Due to inadequate enzyme secretion Overeating and spicy food
Breathing and exchange of gases
Inflammation of bronchi and bronchiole, difficulty in breathing
Emphysema Alveolar walls damaged, smoker’s disease, the major cause is cigarette smoking
Occupational respiratory disorders long exposure to particulate matter causes inflammation of alveoli, and leads to fibrosis, eg: Silicosis & Asbestosis
Body fluids and circulatory system
Hypertension blood pressure is higher than normal [140/ 90 mmHg or higher]
Normal blood pressure range 120/80 mmHg
Hypotension blood pressure is lower than normal [100/ 70 mmHg or lesser]
Coronary heart disease:
- it is also known as atherosclerosis,
- it is caused due to calcium deposition fat deposition
- cholesterol deposition, and
- fibrous tissue deposition
Angina It is an acute chest pain due to inadequate oxygen supply, commonly found in middle age people.
Heart failure occurs when the heart fails to pump the required amount of blood out of the heart
- It mostly occurs due to congestion of the lungs and hence it is also called congestive heart failure
Cardiac arrest occurs when the heart stops beating
A heart attack is when the heart muscle is damaged due to an inadequate blood supply it is known as a heart attack
Excretion and osmoregulation
Uremia is simply an accumulation of urea in the blood
Renal failure here the kidney fails to filter the blood
Renal calculi it is also known as kidney stones, stones of salts like oxalate urate, etc are formed
Glomerulonephritis is the inflammation of the glomeruli of the kidney
Locomotion and movement
Myasthenia gravis it's an autoimmune disorder
- it affects the neuromuscular junction
- it may lead to paralysis of skeletal muscles
Muscular dystrophy is a progressive degeneration of skeletal muscles, it's a genetic problem.
Tetany is a rapid spasm in muscles due to low calcium concentration
Arthritis is inflammation in joints, it is an age-related disorder
Osteoporosis is decreased bone mass, fracture of bone possibly may occur
in females, it is due to reduced levels of estrogen
Neural control and coordination
In Parkinson’s disease in this disease, the cells that release dopamine are affected
- the person is not able to move his body normally
- it might often lead to paralysis
- there’s no proper treatment for Parkinson’s disease
- but can be controlled by medicines and therapies
Epilepsy or epileptic feat
- in this case, a person experiencing Seizures with an abnormal behavior
- It might be genetics all it is due to a head injury
Alzheimer’s disease
- this disease attacks the cell brain and makes them degenerate in most cases person suffers from dementia.
- there is no permanent cure. but medications help the condition become less problematic
Multiple sclerosis
- in this disease, the insulating cover of the nerves gets degenerated the person may suffer from blindness and also there is a loss of sensory perception
Chemical control and integration
Disorders of growth hormone.
• hypersecretion of growth hormone stimulates the abnormal growth that leads to gigantism and acromegaly
• gigantism occurs in childhood while acromegaly occurs during adulthood
• Hyposecretion of growth hormone is responsible for Pituitary dwarfism the individuals are known as dwarf
Disorders of thyroid-stimulating hormone.
• Hyposecretion leads to thyroid atrophy
• Hypersecretion produces symptoms like Graves’ disease
Disorders of ACTH.
• Hypersecretion of ACTH Leeds to rheumatoid arthritis
- while hypo secretion leads to excessive growth of the adrenal cortex
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