Human Body Systems
This is the muscular tube that carries food from the mouth to the stomach.
Esophagus
What is the bodies first line of defence against contaminants?
The Skin (Epidermis)
Lead, Mercury, Cadmium, Chromium, Arsenic, Nickel, Aluminum
What is Inflammation?
Inflammation is the body's natural response to injury, infection, or harmful stimuli, characterized by redness, swelling, heat, pain.
How does the stomach aid in digestions mechanically and chemically?
The stomach's muscular contractions (mechanical) churn and mix food with digestive juices (chemical) breaking it down into smaller pieces.
Name 2 defence mechanisms against contaminants in the digestive system.
1. Vomiting
2. Liver - detoxifying harmful substances
Why is noise pollution harmful to humans and animals?
Cause stress, disrupt communication, interfere with sleep, and lead to hearing loss, as well as negatively impact health, behaviour, and reproduction.
The type of skin cancer that is caused by excessive exposure to ultraviolet (UV) radiation from the sun or tanning beds, usually seen as a dark spot on the skin is called...
Melanoma
This is the part of the digestive system where most nutrient absorption occurs.
How does the circulatory system (blood) fight contaminants?
White blood cells
What are pathogens and give one example?
Microorganisms or agents that cause diseases in their hosts, typically humans, animals, or plants.
Bacteria, Viruses, Fungi, Parasits
The autoimmune disease that causes one to lose their hair is called...
Alopecia
What is the correct term for "windpipe?
Trachea
Name 2 defence mechanisms against contaminants in the respiratory system?
Coughing, Sneezing, Nose hairs, Cilia
What are workplace chemicals and give an example of a source?
Chemicals used in manufacturing, mining, construction, agricultural and business applications.
Ex. Solvents, Cleaning supplies, Paints, Carbon Monoxide, Benzene, Asbestos, Gasoline, Furnaces, Felt-tipped Markers, etc.
The skin condition characterized by the loss of pigmentation in certain areas of the skin, resulting in the formation of white patches or spots is called...
Vitiligo
What are the 3 layers of the skin and their function?
Epidermis - protection
Dermis - connective tissue, blood vessels, and sensory receptors
Hypodermis / Subcutaneous - stores fat / insulation
600 POINTS:
Does the nervous system have any defence mechanisms once a contaminant has invaded the blood? If so, what is it?
Yes, the blood-brain barrier is a selective filter that prevents harmful substances, including many pathogens and toxins, from entering the brain.
Describe the process of how plants can help get ride of heavy metals?
Plants can absorb heavy metals from the ground, then are incinerated.
What is the most common type of cancer in the Algoma region?
Lung Cancer