Anyone know the answer for these two plzzzzz tell me

Biology

1 answer:

stepan [7]3 years ago

4 0

Answer:

The components of he respiratory system conduct air to the lungs ,such as the trachea (windpipe) which branches into smaller structures called Bronchi . The process of breathing (respiration) is divided into two distinct phases , inspiration (inhalation) and expiration (exhalation).

Explanation:

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Your answer would be C because A affects the natural environment and can cause harm to it, B would affect the surrounding animal population and cause imbalances in biodiversity if they are not able to eat the foods they are used to, and D is not much of a benefit since you are losing the flavor that is naturally in the plants.

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Cyanobacteria were the first photosynthetic organisms. How were they responsible for allowing higher life forms to evolve? A. Th

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The graph shows the changing levels of hormones during menstruation and ovulation. What is the general trend for hormones after

Vladimir79 [104]

Answer:

Hormone levels generally decrease.

Explanation:

The graph showed that hormone levels after ovulation generally decrease.

The menstrual cycle of women generally have 3 phases which include:

The follicular phase
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The follicular phase is characterized by low levels of oestrogen and progesterone and a slightly high level of follicle stimulating hormone which ensures that follicles within the ovary develop.

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The luteal phase is characterized by a general decrease in the levels of luitenizing hormone and follicle stimulating hormone while oestrogen level may remain high.

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A hypersensitive reaction to a specific antigen in the environment is a(n) __________.

fomenos

A hypersensitive reaction to a specific antigen in the environment is a(n) _ALLERGY_.

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3 years ago