science 1

respiratory system

• hệ tuần hoàn

• hệ hô hấp

• hệ tiêu hóa

• hệ thần kinh

circulatory system

• hệ tiêu hóa

• hệ hô hấp

• hệ tuần hoàn

• hệ thần kinh

the respiratory system consists of the....

• nose

• heart

• nose, windpipe, lungs

• organs

we breathe through in and out through our....

• heart

• brain

• lung

• nose

blood helps to carry.....and nutrients to all parts of our body

blood flows through tiny tubes called....

• windpipe

• blood vessels

• muscle

• blood

we can keep our heart strong by....

• eating a well-balanced meal

• exercising regularly

• eating a lot of fast food

• stay up late