Envelope is not apart of a virus structure
Answer: E
Explanation: Plant fibre is composed mainly of cellulose and cellulose fibres are most commonly used to make paper and cloth. Cellulose produces long, often highly lustrous fibres when suitably prepared.
Answer:
D
Mitochondria are the powerhouses of cells
Answer:
Positive feedback
Explanation:
The homeostasis of the body is generally maintained by the feedback mechanism of the body. Two main types of feedback mechanism are positive feedback and negative feedback mechanism.
Positive feedback mechanism may be defined as in which the final product of the reaction or hormone increase the further secretion of that particular hormone. The positive feedback mechanism can exaggerates the effect of the variation from the normal condition of the body.
Thus, the correct answer is option (e).
Answer:
Standard oxygen therapy delivered through a nasal cannula or another device, such as a non-rebreather mask (NRBM), delivers cold (not warmed) and dry (not humidified) gas. This cold, dry gas can lead to airway inflammation, increase airway resistance, and impair mucociliary function, possibly impairing secretion clearance .
And for 7 so it can procect yourself
Explanation: