Answer:
Natural disasters, but we probably still made some
Explanation:
Carbon is the main constituent of living organisms. Carbon atoms bond with other atoms to form chains such as proteins, fats and carbohydrates.
FDA issued a black box warning about the use of Tacrolimus and the development of cancer in animals and humans.
Tacrolimus is a topical drug used for dematitis. It is a chronic condition which the skin becomes inflammed, red, itchy. The inflammation is caused by the activation of immune function of the patient. Tacrolimus is used as topical agent to suppress the function of immune system and inflammation by inhibition of calcineurin. This is an enzyme needed for T cell production. T cells plays a big factor in the activation of immune system.
Answer:
Birds do not have a diaphragm; instead, air is moved in and out of the respiratory system through pressure changes in the air sacs. ... Bird lungs do not expand or contract like the lungs of mammals. In mammalian lungs, the exchange of oxygen and carbon dioxide occurs in microscopic sacs in the lungs, called 'alveoli.
Explanation:
