How does the circulatory system and respiratory system structure to work and function together. how does the shape/look of those two systems let them work together?

Respiratory system takes Oxygen in and carbon dioxide out. Taken Oxygen by respiratory system is delivered to all the cells in our body by the help of vessels and blood in circulatory system.

Explanation:

high-sugar diet and high cholesterol

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.