The main function of the large intestine is: MCQ with Answer and Explanation

Explanation:
G.H.A. Hansen discovered Mycobacterium leprae in 1873, the first bacterium identified as causing a human disease. Koch later discovered TB.

Explanation:
Syphilis is caused by the spirochete bacterium Treponema pallidum, typically transmitted through sexual contact. It progresses through primary, secondary, latent, and tertiary stages, potentially causing severe neurological and cardiovascular damage if untreated. Gonorrhea is by Neisseria gonorrhoeae, herpes by HSV, chlamydia by Chlamydia trachomatis. Penicillin is an effective treatment.

Explanation:
Growth hormone (somatotropin) stimulates protein synthesis, cell division, and growth of bones and muscles, especially during childhood. Thyroxine regulates metabolism, cortisol is a stress hormone from the adrenal cortex, adrenaline is from the adrenal medulla. GH deficiency leads to dwarfism; excess causes gigantism or acromegaly.