Answer: a. supply nutrients and oxygen to the renal medulla.
Explanation:
Countercurrent exchange is a process that takes place in kidney creates a kind of concentration gradient so as to concentrate the urine by adding up urea and salt in the urine via renal medulla part of kidney.
Answer:
A positive TB skin test or TB blood test only tells that a person has been infected with TB bacteria.
Untreated pulmonary TB disease can lead to long-term damage to these parts of the body: lungs. brain. liver.
If you are sick enough with TB disease to go to a hospital, you may be put in a special room. These rooms use air vents that keep TB bacteria from spreading to other rooms.
See your doctor if you have a fever, unexplained weight loss, drenching night sweats or a persistent cough
The most important way to prevent the spread of drug-resistant TB is to take all TB drugs exactly as prescribed by the health care provider. No doses should be missed and treatment should not be stopped early.
HIV infection (the virus that causes AIDS)
Substance abuse
Silicosis
Diabetes mellitus
Severe kidney disease
Low body weight
Organ transplants
Head and neck cancer
Medical treatments such as corticosteroids or organ transplant
Specialized treatment for rheumatoid arthritis or Crohn’s disease
Explanation:
Answer:
Thin and Thick filament.
Explanation:
The actin and myosin are the important proteins of the muscles. These proteins shows striations of the skeletal and cardiac muscle, when observed under the microscope.
Actin protein is the major constituent of the thin filament. Thin filament is 7 nm in diameter and made of globular proteins. Myosin protein is the major constituent of the thin filament. This filament is 15 nm in diameter.
Thus, the actin comprise of thick filament and myosin comprise of thin filament.
Answer:
Because some people doesn't have much energy such as in teens and adults because of their sleeping habits
Explanation:
