Immune System

All are examples of external defenses except:

• sweat

• inflammation

• mucus

• skin

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

Tags

NGSS.HS-LS1-3

What do B cells produce?

• antigens
• macrophages
• T cells
• antibodies

What are Lymphocytes?

• A type of red blood cell
• A nucleus 
• A type of white blood cell
• Bone Marrow

The Pfizer and Moderna Coronavirus vaccines are in this category

• live attenuated

• subunit

• weakened attenuated

• immunoglobulin

Which of the following is NOT part of the first line of defense?

• skin
• B cells
• sweat
• lysozyme

Which of the following is NOT a classic sign of local inflammation?

• swelling

• atrophy

• heat

• redness

Which type of immunity has memory?

• innate
• adaptive/acquired

Cells that directly destroy pathogens are

• Lymphocytes and B Cells

• Erythrocytes and Basophils

• Neutrophils and platelets

• T Cells and Macrophages

True or False:
Inflammation is an immune response.

• True
• False