Unit 2B Human Body Systems & Interactions

Front

What is the primary function of the heart during exercise?

Back

To provide your muscle cells extra oxygen.

Front

Which organisms are capable of performing cellular respiration?

Back

All living organisms.

Front

What system is responsible for detecting environmental information and directing body responses?

Back

Nervous system.

Front

What components make up the skeletal system?

Back

Bones, cartilage, and ligaments.

Front

What is homeostasis?

Back

An organism's ability to maintain steady (stable) internal conditions.

Front

How does the respiratory system contribute to cellular respiration?

Back

It supplies oxygen to the blood and removes carbon dioxide from the body.

Front

What role do muscles play in the human body?

Back

Muscles enable movement and support bodily functions.

Front

What is the function of the circulatory system?

Back

To transport nutrients, gases, hormones, and waste products throughout the body.

Front

How do the nervous and endocrine systems work together?

Back

They coordinate the body's response to internal and external stimuli.

Front

What is the significance of feedback mechanisms in maintaining homeostasis?

Back

Feedback mechanisms help regulate physiological processes to maintain stable internal conditions.