Theheart

To do something over and over

• regulate

• transport

• constantly

Move or carry from place to another

• contract

• transport

• regulate

a system that is connected to one another.

• network

• contract

• regulate

to adjust things so that a system operates well

• contract

• transport

• regulate

to become smaller or tighter

• constantly

• contract

• regulate

carries blood away from your heart

• arteries

• blood vessels

• capillaries

transport blood all over the body

• veins

• arteries

• blood vessels

carries blood to the heart

• veins

• arteries

• blood vessels

relating to the lungs

• pulmonary

• circulatory

• exskeletal

having to do with the heart

• excretory

• pulmonary

• circulatory