Write down the signification of digestive system

Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair. MyPlate offers ideas and tips to help you meet your individual health needs . Your digestive system breaks nutrients into parts that are small enough for your body to absorb.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

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.