Which microscope is used to observe viruses and the internal structure of thinly sectioned cells?
What is the reaction of the body and mind to disturbing events
The body's response to stress involves a fight-or-flight response coordinated by the sympathetic nervous system and the HPA axis. Stress can be triggered by traumatic or significant life-changing events. Long-term stress can lead to serious health conditions like heart disease due to our body's limitations in adapting to chronic stressors.
Explanation:The reaction of the body and mind to disturbing or stressful events is a complex physiological and psychological process. During stress, the body's primary response is the fight-or-flight response, which involves coordinated activities of the sympathetic nervous system and the hypothalamic-pituitary-adrenal (HPA) axis. This response was first identified by Walter Cannon in the early 20th century.
Endocrinologist Hans Selye referred to these physiological reactions to stress as part of the general adaptation syndrome, which has three stages: alarm reaction, resistance, and exhaustion.
Stressors can be long-term (chronic) or short-term (acute), and can range from traumatic events like natural disasters or military combat to major life changes like divorce, or moving homes. The response to such stressors can cause a variety of mental and physical symptoms, including increase in heart rate, dry mouth, and if serious enough, may manifest as post-traumatic stress disorder (PTSD).
We also adapt to changing emotional circumstances over time, akin to sensory adaptation, and we gradually revert to our original baseline happiness levels after significant events. Lastly, chronic stress over extended periods can lead to health consequences like heart disease due to the limitations of our body's ability to adapt to long-term stressors.
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which is the most likely response of a human to an increase in temperature?
A.increasing the amount of perspiration
B.increasing waste elimination from the bladder
C.a reduction of desire for liquids
D.a contraction in blood vessels in the skin
Answer:
Answer A
Explanation:
Bill the explorer was hiking through the Brazilian rainforest when he came upon a strange, new organism which had yet to be classified. It was small, with a mass of only 10 grams. Bill noticed the organism was covered in feathers. After further investigation, Bill discovered that although it did not fly, it had hollow bones. How should Bill best classify this organism? A) amphibian B) bird C) mammal D) reptile
The answer is B.bird
Bill, the explorer was hiking through the Brazilian rainforest when he came upon a strange, new organism which had yet to be classified can be classified as a bird. Thus, the correct option is B.
Birds are a large group of warm-blooded vertebrates which are constituting the class Aves, which is characterized by the feathers, toothless beaked jaws, the laying of the hard-shelled eggs, a high metabolic rate of the organism, a four-chambered heart, and a strong yet lightweight skeletal system.
Bill, the explorer was hiking and through this he came upon a strange organism which has characteristics such as small, with a mass of only 10 grams, covered in the feathers, it did not fly, and it had hollow bones. All of these characteristics can be used to classify the organism as bird.
Therefore, the correct option is B.
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What do all of these bacteria have in common? bacteria in the rumen of cattle and sheep bacteria in a sewage treatment plant bacteria growing in the middle ear in chronic otitis media bacteria growing on the teeth in dental plaque?
What region contains holy sites for islam judaism and christianity?
Answer:
The answer is:
All 3 of these huge faiths have sites throughout Israel, with the greatest concentration in Jerusalem.
Explanation:
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In mendel’s garden peas, each cell in a pea plant has a total count of:
What molecule forms the cell membrane?
a. proteins
b. carbohydrates
c. nucleic acids
d. phospholipids
The scatterplot compares the price of gasoline (in dollars) and the number of hybrid cars sold (in thousands) in Georgia.
Based on the trend, predict the number of hybrid cars sold if the price of gas is $4.00 a gallon.
A) 8
B) 800
C) 8,000
D) 80,000
Organisms that use organic molecules as their source of carbon are called
______ is a kind of mri adapted for better imaging of myelinated fibers, specifically for white matter.
The loose skin of the ___________ allows for expansion during erection.
The loose skin of the male private part allows for expansion during erection. The prepuce, also called the foreskin, is a fold of skin that covers the male private part.
The prepuce also called the foreskinDuring an erection, the can expand due to its loose skin. The prepuce, also called the foreskin, is a fold of skin that covers the male private part. It can stretch to accommodate changes in size during sexual stimulation and erection.
In certain situations, a surgical procedure known as circumcision may be used to remove the foreskin.
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List the five characteristics of the salter-harris types of fractures
What other biological molecules do nucleotides occur in?
Well I believe that aside from the big ones which are the DNA and RNA:
Some proteins (such as telomerase) have bits of attached RNA. Ribosomes have a bit of RNA.The _____ is the main link between the nervous system and the endocrine system.
A febrile 6-month-old with severe nasal congestion is unable to feed or sleep well. what suggestions should the nurse make to the parents to help relieve the infant's symptoms?
This starfish had lost two of its arms. By what process could it regenerate them?
Answer:
mitosis
Explanation:
The first dude is wring got me wrong on my first take :p
Menstrual cramps are experienced with the onset of the menses because of strong contractions of the ____ layer of the uterus.
Menstrual cramps are due to the contractions of the myometrium layer of the uterus, a thick layer of smooth muscle that also plays a critical role during labor.
Menstrual cramps are experienced with the onset of the menses because of strong contractions of the myometrium layer of the uterus. The myometrium is a thick layer of smooth muscle and is responsible for uterine contractions. This muscle layer has fibers that run horizontally, vertically, and diagonally, allowing the uterus to contract powerfully during labor and also to cause the less powerful contractions, or menstrual cramps, which help to expel menstrual blood. Additionally, the endometrium is the innermost layer and sheds during menstruation. The uterine contractions that occur near the time of ovulation facilitate the transport of sperm through the female reproductive tract.
Another form of extracellular fluid is that located in
Which usually happens to the host's DNA during the lyric cycle?
It is destroyed.
It is integrated with the viral DNA.
It becomes a previous.
It is spliced with a viral DNA.
At about the eight-cell stage, cells begin to specialize in a process called:
After a habituation period if infants do not recognize the previously presented object they will
The formation and release of hormones from a cell or structure is called what
The formation and release of a hormone from a cell or structure is called secretion.
What is treatment?Treatment is the term which is defined as the way or manner by which somebody perform or deal with something or someone and it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease.
The main objective of treatment is to make patients healthy and happy as well as free from disease generally there are several types of treatments it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease and these are chemotherapy which is used to given to the patient of the cancer, radiation therapy, hormonal therapy as well as biological therapy.
Therefore,The formation and release of a hormone from a cell or structure is called secretion.
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What things in nature are similar to the egg drop experiment?
The egg drop experiment assists the students to discover the fundamental concepts like forces, gravity, and acceleration. In an egg drop experiment, the particular rules and illustrations may vary. The usual concept is to have students develop a container, which will permit an egg to safely fall from different heights without breaking.
Something identical to egg drop in nature would be birds. The birds fly and exhibit wings to slow down the drop at the time of their landing. The humans do skydiving, which is similar to the egg drop, that is, the parachute is obstructing the air, and it is thus slowing down the drop.
Which of the following is true about an atom of gold and an atom of silver?
Both have the same mass.
They have different properties.
They have different sub-atomic particles.
Both have an equal number of sub-atomic particles.
Francesco Redi disproved the idea of spontaneous generation through an experiment involving _____.
mud and frogs
water and plants
meat and flies
When working with laboratory animals, when can painful stimuli be used?
The correct order of the structures of the motor neuron is:
The correct order of the structures of a motor neuron is dendrites, cell body, axon, myelin sheath, neurilemma, and axon terminal.
Explanation:The correct order of the structures of a motor neuron is as follows:
Dendrites: Short, divided processes that enter the cell bodyCell body: Contains a central nucleus and Nissl bodies in the cytoplasmAxon: Long process that leaves the cell body and transmits impulses away from the cell bodyMyelin sheath: Whitish fatty layer surrounding the axon, interrupted at intervals by nodes of RanvierNeurilemma: Cellular layer outside the myelin sheathAxon terminal: End of the axon where it forms synapses with other neurons or muscleswhy is photosynthesis important for ecosystems everywhere
Biomolecues are essential to all living things. Which biomolecule is "A" from the above table? A) lipid B) protein C) carbohydrate D) nucleic acid
The biomolecule represented by CHO is a carbohydrate. (Option C)
What is Carbohydrates?
Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) in a ratio of 1:2:1, which corresponds to the general formula (CH₂O)n.
where;
n is the number of carbon atoms.So, in this case, biomolecule A (CHO) fits the general formula of carbohydrates and corresponding to option is (C) carbohydrate.
Carbohydrates have been defined as polyhydroxy aldehydes or ketones. They are water-soluble and reducing compounds.