1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leona [35]
4 years ago
11

Why are getting sleepy????​

Biology
1 answer:
grin007 [14]4 years ago
8 0
So, when our eyes see light, our brain gets signals that make us feel awake. But when its dark, the signals make us feel tired. ... When your body releases more melatonin, you feel more tired. The human body starts releasing melatonin in the evening around bedtime and continues throughout the night.



I hope that answers your question
You might be interested in
Two factors that can affect enzymes action are
devlian [24]

Answer:

C. pH and temperature

Explanation:

Enzyme activity can be affected by a variety of factors such as temperature and pH

7 0
3 years ago
The cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concent
Sidana [21]
The best answer is C. Active Transport
7 0
3 years ago
Read 2 more answers
Atherosclerosis is a disease that obstructs blood flow and, therefore, oxygen supply to target organs. A major component of athe
artcher [175]

Answer:

cell division

Explanation:

7 0
3 years ago
What process is responsible for producing 2n zygote
Gnoma [55]

Fertilization is the process in which two haploid gametes fuse to create one diploid cell. In this process, male sperm fuses with female egg which creates a zygote.

4 0
3 years ago
Which statement describes a characteristic of deposition?
Reil [10]

Answer:

Rocks are broken into smaller particles.

Explanation:

7 0
3 years ago
Other questions:
  • Describe What is the relationship between<br> mutation, natural selection, and adaptation?
    15·1 answer
  • Which stimulus causes a responding plant to demonstrate phototropism?
    6·1 answer
  • The blind spot in the eye is? question 55 options: ?where photoreceptor cells do not bleach. ?the point at which ganglion cells
    8·1 answer
  • During adolescence, the mass and girth of the bones increases. Which of these could be the appropriate justification for this?
    11·1 answer
  • Pick the one that represents an alpha particle
    5·2 answers
  • 2 Points
    15·1 answer
  • Calculate the energy yield of glycolysis and cellular respiration per glucose molecule. Distinguish between substrate-level phos
    8·1 answer
  • What kind of density current is caused by a muddy, rapidly flowing mixture of sediment and water.
    7·1 answer
  • (In 4 to 5 sentences explain the movement though the flow chart in ur own words.)
    12·1 answer
  • Which statements accurately describe the pharmacokinetic parameters of oral conjugated equine estrogens (CEEs)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!