Give 7 Specialised cells in animals

1)Circualtorty system - Transport substances, defend the body and regulate temperature 2)Excretory system - Remove waste products and unwanted substances and regulate water content 3)Muscular system - Bring about movement 4)Nervous system - Respond to external and internal stimuli and conditions, carry messages from the body work as a coordinated whole 5)Respiritory system - Deliver oxygen for respiration and remove waste 6)Reproductive system - Bring about firtilisation to produce new offspring 7)Skeletal system - Help bring about movement, support and protect internal structures, produce blood, store and release calcium