Unit 3: Human Body Review

Front

What are nucleotides?

Back

Nucleotides are the monomers that make up nucleic acids, such as DNA and RNA.

Front

What is the function of the skeletal system?

Back

The skeletal system supports muscles and organs and helps an animal move from one place to another.

Front

What are positive feedback loops?

Back

Positive feedback loops are processes that cause a response to build up until a significant event occurs.

Front

What type of feedback is involved in blood clotting?

Back

Blood clotting involves positive feedback.

Front

What is the primary function of the excretory system?

Back

The primary function of the excretory system is to excrete wastes from the body.

Front

What are the main components of the human skeletal system?

Back

The main components include bones, cartilage, ligaments, and joints.

Front

What is the role of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and excreting carbon dioxide.

Front

Define homeostasis.

Back

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

Front

What is the function of the nervous system?

Back

The nervous system controls and coordinates body activities by transmitting signals between different parts of the body.

Front

What are the two types of feedback mechanisms in the body?

Back

The two types of feedback mechanisms are positive feedback and negative feedback.