Carbon Dioxide is produced as cells break down nutrients for energy, which pairs of syst
would participate in removing the carbon dioxide from the body?
bodys they mall intestine absorbs mat of the nutrients in the body ?

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.

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.