Contaminants and the body

advertisement

Environmental Contaminants and the Body

Reading Assignment

In previous lessons we learned that contaminants can enter to body in 3 ways

______________________________ _________________________________ ____________________________________

Effects on the Respiratory System (Inhalation):

Describe how this system works: Include the words lungs, bronchial tubes, alveoli and capillaries in this description

What are Cilia and how do they act to protect our body from air born contaminants?

What are the limitations of cilia?

Effects on the Digestive System (Ingestion):

Describe how this system works: Include the words esophagus, stomach, gastric juices, absorption, small and large intestines.

What are the 2 defenses employed by the digestive system that rid our bodies of contaminants?

Effects on the Skin/Epidermis ( Absorption)

How does the natural structure of our skin expose us to contaminants?

Effects on the Circulatory System:

Once in our bodies, how are contaminants carried to our cells?

What type of pathogens (living dangers) is our blood able to fight off?

Body’s Reaction to Contaminants

Respiratory:

Describe 2 airborne contaminants, their reactions/symptoms and the disease associated with them

Type Reaction/symptom Disease

Type

Digestive:

Describe 2 digestive contaminants, their reactions/symptoms and the disease associated with them

Reaction/symptom Disease

Skin/Epidermis:

Describe 2 absorptive contaminants, their reactions/symptoms and the disease associated with them

Type Reaction/symptom Disease

What is melanoma?

Circulatory/Lymphatic:

Describe 2 contaminants, their reactions/symptoms and the disease associated with them

Type Reaction/symptom Disease

What is a leukocyte?

What is lymph? Lymph nodes?

How does the spleen help keep your body safe from contaminants?

Nervous System:

Describe 2 contaminants, their reactions/symptoms and the disease associated with them

Type Reaction/symptom Disease

Urinary & Reproductive system:

Contaminants in these systems cause elevated risk of which types of cancer? ( 6 types)

Describe 2 contaminants, their reactions/symptoms and the disease associated with them

Type Reaction/symptom Disease

Protecting yourself from environmental contaminants/factors

What is a vaccine and how does it protect you from illness?

What is the difference between artificial and naturally acquired immunity? Give an example of each.

Describe two medications that can protect against the biological agents that cause malaria

Describe 3 non-medical ways to protect yourself from environmental factors. Be able to discuss how each achieves protection.

Download