What are circulatory system parts and functions?

What are circulatory system parts and functions?

Circulatory System The human circulatory system functions to transport blood and oxygen from the lungs to the various tissues of the body. The heart pumps the blood throughout the body. The lymphatic system is an extension of the human circulatory system that includes...
What is tissue in the human body?

What is tissue in the human body?

Tissue Definition Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. Types of Tissues in Animals The tissues in animals are classified...
The Cell

The Cell

A cell is one of the most basic units of life. There are millions of different types of cells. There are cells that are organisms onto themselves, such as microscopic amoeba and bacteria cells. And there are cells that only function when part of a larger organism,...