c/c_Science_Grade 6_Les structures et les fonctions de base des systèmes du corps :système urinairesystème reproducteursystème hormonalsystème nerveux

First People’s understandings of body systems in humans and animals

kidneys, ureters, bladder, etc.

ovaries, testes, etc.

chemical messengers in the body (e.g., insulin, adrenalin)

brain, spinal cord, etc.; role of receptors — the brain interprets the signals received and can make mistakes (e.g., optical illusions) in those interpretations