in a what? government people in the executive branch are also part of the legislative branch?

http://www.whitehouse.gov/our-government/legislative-branch

In a system of government known as a presidential system, the executive branch and the legislative branch are typically separate and independent of each other. This is also the case in the United States government.

However, there is a unique scenario in which individuals from the executive branch can have certain roles or responsibilities within the legislative branch. This happens when high-ranking officials from the executive branch are appointed or nominated to serve in a legislative capacity, usually in a legislative body such as a parliament or congress.

In the United States, for example, members of the president's cabinet, who are part of the executive branch, may be required to be confirmed by the Senate, which is part of the legislative branch. This process allows senators to have a say in the appointment of key executives, ensuring a system of checks and balances.

Furthermore, the Vice President of the United States holds a dual role. As the President of the Senate, the Vice President is technically part of the legislative branch, presiding over the Senate and casting tie-breaking votes when necessary. However, the Vice President primarily serves as the second-in-command in the executive branch, supporting the President in making policy decisions and implementing laws.

It's important to note that these individuals may have responsibilities in both branches, but they are still distinct entities. The executive branch is primarily responsible for enforcing laws, while the legislative branch is responsible for making or enacting laws.