Week 17

We have been studying the Circulatory, Respiratory, and Excretory systems and will be having a test just before the Holiday Break. Circulatory system: Heart, blood, and blood vessels/ Respiratory System: mouth/nose, pharynx, larynx, trachea, bronchi, lungs (bronchioles, alveoli)/ Excretory System: Kidneys, skin, lungs.