Question

B. Define the following:
1. Oxidation
2. Aerobes
3. Cellular respiration
4. Breath
5. Ribcage
6. Spiracles
7. Tracheae​

Answer 1

Answer:

• Oxidation is the loss of electrons. Reduction is the gain of electrons. In terms of oxygen transfer, oxidation may be defined as the chemical process in which a substance gains oxygen or loses electrons and hydrogen. When one of the reactants is oxygen, then oxidation is the gain of oxygen.
• An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. In contrast, an anaerobic organism is any organism that does not require oxygen for growth. Some anaerobes react negatively or even die if oxygen is present
• Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
• the air taken into or expelled from the lungs.
• The rib cage is the arrangement of ribs attached to the vertebral column and sternum in the thorax of most vertebrates, that encloses and protects the heart and lungs.
• an external respiratory opening, especially each of a number of pores on the body of an insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish.
• a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.

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