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solong [7]
3 years ago
12

Name the brain structure and the hormone it secretes to help us stay asleep.

Biology
1 answer:
zepelin [54]3 years ago
7 0
Melatonin is the hormone secreted by Pineal gland in the brain
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2. A man with type B blood mamies a woman with type A blood. Their first child has type o blood. The couple says this is
Arisa [49]

Blood types:

AB +

AB -

A +

A -

B +

B -

O +

O -

It is possible to have a child with O blood despite the parents having different blood types.

While the man tested for B blood, he could have been a combination between type o and B whereas, the woman was a combination of type A and o. Since A/B are dominant, they would 'stand out' contrarily to o.

This means that their children could have AB or O blood.

6 0
3 years ago
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What is anemia which blood measurements provide information on a possible anemic condition?
sergiy2304 [10]
<span>anemia is when the hematocrit is below normal value. hematocrit blood measurements provide this information.</span>
8 0
3 years ago
What is the similarity between excretory systems of insects, earthworms and vertebrates?
4vir4ik [10]

Los seres invertebrados y los vertebrados tienen más elementos en común de lo que se pensaba. Un estudio, con participación del Consejo Superior de Investigaciones Científicas (CSIC), prueba que existe gran similitud entre los sistemas excretores de ambos grupos de animales. Según la investigación, las células encargadas de filtrar la sangre en la formación de orina, alojadas en los riñones de vertebrados, son similares a las que realizan una función análoga en invertebrados.

7 0
3 years ago
What happens to rainwater that falls on land?
Serga [27]
Well there are three reasons
it drains into rivers, streams, etc. or
 it seeps into soil and gather underground as ground-water
or
falls into high mountains and freeze and in the summer it will melt and flows into the rivers
4 0
3 years ago
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Marisol is sitting in a bus that is passing by a traffic light which statement correctly describes Marisol's motion
boyakko [2]
The answer is She is moving to the traffic light, but she is not moving relative to the bus driver.


Hope I helped
3 0
3 years ago
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