Jaw - Support the teeth and allow us to open our mouth and chew the food, Ribs - Protect the heart and lungs, Backbone - Supports our body and protects the nerve cord, Skull - Protects the brain, Veins - Collects blood and transport it back to the heart., Capillaries - Allows the exchange of materilas between blood and cells., Arteries - Transport blood away from the heart., Inhale - To breath in., Exhale - To breath out.,

Science practice

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟