B - 2.2 – Circulatory, Nervous, Endocrine, & Musculoskeletal

Front

What is the main function of the circulatory system?

Back

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

Front

What are the main components of the nervous system?

Back

The brain, spinal cord, and peripheral nerves.

Front

What is the role of hormones in the endocrine system?

Back

Hormones are chemical messengers that regulate various functions in the body, including growth, metabolism, and mood.

Front

What is the function of red blood cells?

Back

To carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

Front

What are the three types of muscle tissue in the musculoskeletal system?

Back

Skeletal, cardiac, and smooth muscle.

Front

What is homeostasis?

Back

The process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is the basic unit of life?

Back

The cell.

Front

What are organelles?

Back

Specialized structures within a cell that perform specific functions, such as mitochondria and ribosomes.

Front

What is the function of the heart in the circulatory system?

Back

To pump blood throughout the body.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously (e.g., skeletal muscles), while involuntary muscles operate automatically (e.g., cardiac and smooth muscles).