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Simora [160]
3 years ago
15

what hormone absence causes the spiral arteries of the endometrium to kink and the endometrium to slough off menses

Biology
1 answer:
NNADVOKAT [17]3 years ago
6 0

The hormone which causes the spiral arteries of the endometrium to kink and the endometrium to slough off menses is <u>PROGESTERONE</u>

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Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a ju
Arisa [49]

Answer:

Her excitement is a function of her autonomic nervous system, and her movements are a function of her somatic nervous system

Explanation:

The autonomic nervous system control the involuntary and reflexive functions of the body such as pumping blood, the beating of the heart, expansion or contraction of blood vessels or pupils — which is why we are seldom conscious of it.The autonomic nervous system is composed of parasympathetic nervous system (PNS) and the sympathetic nervous system (SNS).

The parasympathetic nervous system (PNS) controls homeostasis and the body at rest and is responsible for the body's "rest and digest" function. The sympathetic nervous system (SNS) controls the body's responses to a perceived threat and is responsible for the "fight or flight" response.

The somatic nervous system is the part of the peripheral nervous system that involves parts of the body a person can command at his will. It is responsible for carrying motor and sensory information both to and from the central nervous system (CNS). This system is made up of nerves that connect to the skin, sensory organs, and all skeletal muscles. The system is responsible for nearly all voluntary muscle movements as well as for processing sensory information that arrives via external stimuli including hearing, touch, and sight.

The excitement is involuntary which is a result of the increase in the players heart rate. This is controlled by the autonomic nervous system.

When the player saw the time element, she decided at his will to make a jump shot as a response to that stimuli. That is the function of the somatic nervous system.

6 0
4 years ago
Based on the karyotype above, which of the following best describes the production of gametes in human females? At the end of th
Lisa [10]

Answer:

There is no image of the Karyotype but the question will be answered based on a general knowledge of gamete formation (meiosis) in human females.

Based on this, the answer is: During metaphase II of meiosis, each cell will have 23 individual chromosomes each composed of 2 chromatids

Explanation:

Meiosis is the cellular division process employed by sexually-reproducing organisms to produce gametes. It involves the production of daughter cells (gametes) that have a reduced number of chromosomes (half) as the parent cell. Since meiosis reduces the chromosomal number, it occurs in two division steps: meiosis I and II.

Meiosis I involves the separation of homologous chromosomes (similar but non-identical chromosomes received from each parent) into opposite poles of the cell. This is where the reduction takes place. Humans contain 46 chromosomes or 23 pairs of chromosomes in their somatic cells. At the end of meiosis 1, each daughter cell will contain 23 chromosomes each.

In Metaphase of meiosis II as stated in the question, each cell will contain 23 individual chromosomes. Each chromosome being a sister chromatids i.e. 2 CHROMATIDS. The sister chromatids are to be separated in the Anaphase stage of meiosis II.

4 0
3 years ago
Which of the following
valina [46]

Answer:

50% homo offspring 50% hetero offspring

Explanation:

4 0
4 years ago
ASAP
muminat

Answer: i think it is c and b but im not sure

Explanation:

4 0
3 years ago
Roots grow into cracks and rocks and break them apart. This is an example of what type of weathering?
sukhopar [10]

Answer:

Wedging (for the first one)

Explanation:

7 0
3 years ago
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