Midterm Review

Front

What is the primary function of the heart?

Back

The heart is responsible for pumping blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products.

Front

Define a vaccine.

Back

A vaccine is a preparation of dead or weakened pathogens that is introduced into the body to stimulate an immune response.

Front

What are antibodies?

Back

Antibodies are proteins produced by B cells of the immune system that specifically target and destroy pathogens.

Front

What is the role of red blood cells?

Back

Red blood cells carry oxygen from the lungs to the rest of the body and return carbon dioxide from the body back to the lungs.

Front

Define heterotroph.

Back

A heterotroph is an organism that cannot produce its own food and must consume energy from other organisms.

Front

What is the function of white blood cells?

Back

White blood cells are part of the immune system and help the body fight infections and diseases.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food through photosynthesis or chemosynthesis, while heterotrophs obtain energy by consuming other organisms.

Front

What is the role of the immune system?

Back

The immune system protects the body from infections and diseases by identifying and destroying pathogens.

Front

What are pathogens?

Back

Pathogens are microorganisms that can cause disease, including bacteria, viruses, fungi, and parasites.

Front

What is the function of T-cells?

Back

T-cells are a type of white blood cell that play a central role in cell-mediated immunity, helping to destroy infected or cancerous cells.