Unit 1 Practice- Plant & Animal Systems

Front

What process explains how the heart rate increases during exercise?

Back

Hormones released by glands signal the heart to beat faster.

Front

What is feedback regulation in the context of blood pressure?

Back

When blood pressure drops, arteries narrow to push blood more forcefully.

Front

What plant behavior helps survival in a drought?

Back

Growing longer roots and reducing leaf area.

Front

Which systems interact when glucose from food travels through blood to cells?

Back

Digestive and circulatory systems.

Front

What is the relationship between root and shoot systems in plants?

Back

Roots absorb water; leaves produce sugar; both move through vascular tissue.

Front

What is the function of the circulatory system?

Back

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

Front

What role do hormones play in the body?

Back

Hormones are chemical messengers that regulate physiological processes.

Front

How do plants adapt to their environment?

Back

Plants can modify their growth and behavior, such as root depth and leaf size, to survive.

Front

What is the primary function of the digestive system?

Back

To break down food into nutrients that can be absorbed into the bloodstream.

Front

What is the role of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.