What are lymphocytes? stress hormones produced by the sympathetic nervous system. harmful agents such as chemicals and viruses that cross the placenta from mother to fetus. white blood cells that are part of the body's immune system. cancer cells that form in the lymph glands?

Lymphocytes are white blood cells that are part of the body's immune system.  

Lymphocytes are types of white blood cells that are part of the body's immune system. The immune system is composed of network of immune cells including lymphocytes that function together to protect the body against foreign substances, such as bacteria or cancer cells that can cause illness and diseases. Lymphocytes are produced in the bone marrow and can be found in the blood and lymph tissue. The two groups of lymphocytes are known as B lymphocytes (B cells) and T lymphocytes (T cells).

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.