Leukocytes

White Blood Cells / Fighting the Infection

Multiple Choice

What is an antigen?

• Part of the immune system

• What protects the body from pathogens

• Anything that the body sees as a foreign enemy

• A protein created to protect us from specific pathogens

Multiple Choice

What is an antibody?

• A pathogen

• A protein created to protect us from specific pathogens

• Pollen in the air

• Anything the body sees as a foreign enemy

Types of Blood

• There are three types of blood that your body makes

• Red blood cells - transports oxygen throughout body

• Platelets - Involved in clotting

Blood is made in the bone marrow

• Bone marrow is inside of bones

• All blood cells start off as the same stem cell and then differentiate as they mature

White blood cells

• Lymphocyte - B Cell

• Stored in lymph nodes

• Receptors on their cell surface bind to antigens

Multiple Choice

What is the part of the cell that houses the genetic information?

• Mitochondria

• Endoplasmic reticulum

• Cytoplasm

• Nucleus

Open Ended

When a white blood cell encounters a pathogen (antigen) how will it make more cells to fight it?

Video Assignment

Click the link in the chat and watch the video and answer the questions.