Body Systems & Homeostasis Test Review

Front

What system responds to sensory information by transmitting signals to and from different parts of the body?

Back

Nervous system

Front

In a negative feedback loop that regulates body temperature, what happens when the body becomes too cold?

Back

Blood vessels constrict to retain heat, and muscles may shiver to generate warmth.

Front

Which system makes chemical messages (hormones) that regulate conditions inside the body?

Back

Endocrine system

Front

What is the primary function of the circulatory system?

Back

Transporting materials.

Front

What are the levels of organization in order from the smallest level of complexity to the largest?

Back

Cell, Tissue, Organ, Organ System, Organism.

Front

What is homeostasis?

Back

The process by which a stable internal environment is maintained despite changes in external conditions.

Front

What role does the endocrine system play in homeostasis?

Back

It releases hormones that regulate various bodily functions to maintain balance.

Front

What is the function of the respiratory system?

Back

Taking in oxygen and releasing carbon dioxide.

Front

How does the body respond to overheating?

Back

The body sweats to release heat and blood vessels dilate to increase heat loss.

Front

What is the main purpose of the lymphatic system?

Back

To help defend the body against infection and maintain fluid balance.