Microbes which enter into our body through our nose will affect our a) lives b)heart c)brain d)lungs

d) Lungs

The microbes go through our nose into our wind pipe which goes to the lungs

≅200-130 milions years ago pangea splited in 2 continents

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.