Living Environment Homeostasis Regents Review

Front

What is the primary energy currency of cells?

Back

ATP (Adenosine Triphosphate) is the primary energy currency of cells, providing energy for various life functions.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What happens when the body temperature rises during physical activity?

Back

When body temperature rises, the body responds by sweating to cool down, which is a mechanism of homeostasis.

Front

What is the role of white blood cells in the immune system?

Back

White blood cells are crucial for the immune system as they help fight infections and protect the body from pathogens.

Front

What is an allergic reaction?

Back

An allergic reaction occurs when the body's immune system overreacts to a usually harmless substance, causing symptoms like itching and swelling.

Front

What are lymphatic capillaries?

Back

Lymphatic capillaries are small vessels that transport lymph, a fluid containing infection-fighting white blood cells, throughout the body.

Front

How do the circulatory and lymphatic systems work together?

Back

The circulatory and lymphatic systems work together to transport substances between the bloodstream and body tissues, and to fight infections.

Front

What is scurvy and what causes it?

Back

Scurvy is a disease caused by a deficiency of vitamin C, leading to symptoms like weakness and bleeding gums.

Front

What is a possible treatment for scurvy?

Back

A possible treatment for scurvy is increasing the intake of vitamin C through diet or supplements.

Front

What is the function of antibodies in the immune response?

Back

Antibodies are proteins produced by the immune system that identify and neutralize foreign objects like bacteria and viruses.