CIRCULATORY SYSTEM Activity: You have to draw in your notebook the blood circulation according to the last video we saw.
Entradas
UNIT 5: HUMAN BODY NERVOUS SYSTEM • The nervous system transmits, interprets and responds to nerve impulses. • The nervous system is made up of neurons, whose parts are axon and dentrites , and they form nerves. MUSCLES AND BONES • The information goes to the principal effectors, the skeleton and the muscles, which generate movement. • The skeleton is a structure formed by bones and joints. • The muscles are attached to the skeleton by tendons and we need muscles to move. DIGESTIVE SYSTEM • The digestive system obtains the nutrients that we need from food. • The digestive tract is made up of the mouth, pharynx, oesophagus , stomach, small intestine, large intestine and anus. RESPIRATORY SYSTEM • The respiratory system takes in oxygen (inhalation) and eliminates carbon dioxide (exhalation). • The respiratory tract is made up of the nasal