Cigarettes were not outlawed when the dangers were first noticed due to the influence of vested interests and the reluctance of some doctors to admit the harmful effects of smoking.
Explanation:The dangers of smoking were first noticed in the 1950s when British scientists Richard Doll and Austin Bradford Hill conducted large-scale studies on smoking and lung cancer, showing a strong correlation between the two. However, cigarettes were not immediately outlawed for several reasons. One reason is the influence of vested interests, such as the cigarette industry, who actively countered the reform movement. Another reason is the reluctance of some doctors to admit the harmful effects of smoking due to various factors, including the availability of consolidated evidence and the influence of counter-arguments.
Sally was diagnosed with _____ diabetes, which places her pregnancy at a higher risk.
What makes a heterogeneous mixture different from a homogeneous mixture?
The components are mixed unevenly instead of evenly within the heterogenous mixture.
Insoluble instead of soluble particles are suspended within the heterogenous mixture.
Two liquids that normally are not mixable are mixed in a heterogeneous mixture.
The components within a heterogeneous mixture are elements instead of compounds.
The correct answer is that the components are mixed unevenly instead of evenly within the heterogeneous mixture.
A heterogeneous mixture basically refers to any kind of mixture, which is not uniform in composition. It is an uneven mixture of smaller component parts. In the heterogeneous mixture, with the help of certain procedures, the mixture can be separated from each other.
On the other hand, a homogeneous mixture refers to a liquid, solid, or gaseous mixture, which exhibits the similar ratios of its constituents all through a given sample.
What would happen if the sun stopped producing energy?
Which type of cell division results in a daughter cell with 1/2 of the genetic information as the parent cell?
Each segment of lung tissue is divided into a number of ____ wrapped in elastic connective tissue with a lymphatic, an arteriole, a venule, and bronchioles from a terminal bronchiole.
Lobules
Explanation;In respiratory system the lungs are two spongy, cone shaped organs in the thoracic cavity and are separated from each other by the heart and other structures found in the mediastinum.Deep grooves called fissures divide each lung into lobes. Each lobe receives its own secondary bronchus. Each lung lobe is divided into smaller segments that are supplied by a tertiary bronchus.The segments, in turn are subdivided into small compartments called lobules, which contains, lymphatic vessel, arteriole, venules and also a branch from terminal bronchiole wrapped in elastic connective tissue.Each segment of lung tissue is divided into a number of bronchioles wrapped in elastic connective tissue.
Further Explanation:
The lower respiratory tract consists of lungs and tubes that control the air entering into the lungs. The tube that terminates into alveoli includes trachea, bronchi, bronchioles, and alveolar ducts. Lungs are present above the diaphragm and surrounded by the rib cage. They are a very crucial component of the respiratory system. The size of the lung is different; the left lung is less wide than the right one. Lung tissues are sub-divided into various numbers of bronchioles. The inner lining of bronchioles contains cilia and goblet cells that secrete mucus. The cilia help in the up and down movement of the mucus in the conducting airways. These cells are termed as mucociliary escalator and are responsible for preventing the entry of foreign particles and microorganisms into the lungs.
Learn More:
Learn more about the fibrous skeleton of the heart https://brainly.com/question/7301375 Learn more about blood cells bring oxygen and take carbon dioxide away https://brainly.com/question/1213217 Learn more about the system prepares food for absorption into the bloodstream https://brainly.com/question/310282
Answer Details:
Grade: High School
Subject: Health
Chapter: The respiratory system
Keywords:
Lower respiratory tract, remove, particle, responsible, mucociliary escalator, secrete, mucus, bronchioles, lung, tissue.
The ________ is a procedure that is used to determine the number of each of the various types of white blood cells.
The movement of water molecules through a semi-permeable membrane is called
I most biological systems, cells are ________ to their environment.
Select the proper cell parts listed below to fill in the blanks of the sentences that follow: 1. the is the semi-liquid portion of the cell in which the cell parts are located. 2. the is referred to as the headquarters of cell operation. 3. the structure found in a plant cell, but not in an animal cell, that carries out process of photosynthesis is the . 4. proteins are manufactured by the . 5. the structure that surrounds the cell and regulates what enters and leaves the cell is the . 6. nicknamed the "powerhouse of the cell", the are involved in energy production for the cell. 7. the surrounds the nucleus and controls what enters and leaves it. 8. in addition to a cell membrane, plant cells also have a that serves to provide strength and support to the cell. 9. are structures that contain digestive enzymes. 10. storage chambers within the cell are called . 11. found mostly in animal cells, the plays a role in cell division. 12. the cell structure that prepares and packages proteins either for use within the cell or for shipment out of the cell is the . 13. located within the nucleus, the is involved in making ribosomes for the cell. 14. among other tasks, the serves as a transportation system within the cell. 15. another name for the dna material located within the nucleus of the cell is .
The 2 major components of the cell membrane are ______ and _______
The two major components of the cell membrane are proteins and phospholipids.
What is a cell membrane?The cell membrane is a biological membrane that distinguishes the interior of all cells from their surroundings and safeguards the cell.
It is mainly composed of proteins and phospholipids that constitute the structure of the cell membrane.
Thus, the major component of the cell membrane are proteins and phospholipids.
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The nurse inspects the thorax of a patient with advanced emphysema. what does the nurse expect the chest configuration to be for this patient?\
What factors influence naturally occurring fluctuations in the levels of dissolved oxygen?
Termites are unable to digest some plant materials (fiber). Termite stomachs contain bacteria that digest the fiber in wood. Which type of relationship does this describe? commensalism mutualism parasitism competition
Answer: Mutualism
Mutualism is a symbiotic relationship in which two or more than two living organisms live together and benefits each other in the best possible way.
In this scenario, termites provide shelter to the bacteria in their gut and in response bacteria produces enzymes in the gut that breakdown the food and helps in digestion.
Which mechanism requires energy?
A. Exocytosis
B. Osmosis
C. Diffusion of oxygen into a red blood cell.
D. Diffusion of ions through a potassium channel
The most common treatment for alzheimer's disease is to give drugs that stimulate ____.
data displayed in rows and columns is called a table ? true or false.
A pregnant woman recently diagnosed with the genital herpes virus asks the nurse for more information on the virus. which responses by the nurse would be appropriate? select all that apply.
Which part of the neuron sends information to other cells?
what are the implications of cloning
Human skin becomes dry during winter, making it more prone to infections than during summer. How do the sebaceous glands protect the skin normally?
A. Sebaceous glands produce a substance that moisturizes and protects the skin. B. Sebaceous glands cause the hair to stand erect, which insulates and protects the skin.
C. Sebaceous glands produce keratin, which gives the skin a tough structure and protection.
D. Sebaceous glands contain collagen fibers, which provide strength and protection.
Exercise habits and sleep habits are examples of:
Nearly ____ % of people with type 2 diabetes are overweight when diagnosed.
Give three reasons why the polar ice caps do not support any vegetation
Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes ________.
Answer:
Positive feedback mechanism.
Explanation:
Feedback mechanisms are important as they maintains the homeostasis of the organism. Two main types of feedback mechanism are positive feedback mechanism and negative feedback mechanism.
The suckling of newborn increases the milk production in the female body. This is an example of positive feedback mechanism in which the final output increases the original stimulus.
Thus, the answer is positive feedback mechanism.
Angiosperms _____.
have flowers
have cones
are nonvascular
are seedless
Answer: The correct answer for the blank is -
have flowers.
Angiosperms are also known as flowering plants. These plants bear fruit and possess seeds that are enclosed within ovary (unlike gymnosperms that have naked seeds).
Example of angiosperm- Roses, tomatoes.
Thus, Angiosperms have flowers is the right answer.
In castrated male rats, the medial preoptic area ____.
In the case of castrated or neutered male rats, the medial preoptic area has as much dopamine as normal rats, but the presence of a receptive female does not evoke much release of dopamine. Dopamine helps male sexual behavior in many species and is released just before and/or during copulation in three neural systems.
In castrated male rats, the medial preoptic area is essential for initiating sexual behavior, but not for sexual motivation. Damage to this area diminishes the rat's willingness to initiate sex, despite an unchanged motivation to seek sexual partners. This highlights distinct neural mechanisms for sexual behavior execution and motivation.
In castrated male rats, the medial preoptic area plays a key role in sexual behavior. This area, located in the anterior hypothalamus, is critical for initiating sex in males. If this area is damaged or lesioned, male rats exhibit a decrease in their inclination to initiate sex, even if they still seek out a sexual partner. However, the motivation to seek out a sexual partner does not seem to be diminished, suggesting that sexual motivation and the execution of sexual behavior are regulated by distinct neural mechanisms.
For comparison, in females, the ventromedial hypothalamus determines sexual receptivity, while the preoptic area is more involved with eating behaviors. The preoptic area in males corresponds to aggression-related areas, whereas in females, it overlaps with areas associated with nurturance.
Overall, the medial preoptic area is crucial for male sexual activity, while the ventromedial hypothalamus is key for female sexual behavior. This illustrates the gender differences in brain regions responsible for sexual behavior and motivation.
Ant is eating mesquite tree and other insects what type of energy is this ant consuming
At what molarity is the sucrose solution isotonic to the cells? (solve for x, when y = 0)
What passive and active processes are involved in the electron transport chain?
The electron transport chain involves both passive and active processes. Passive processes include the movement of electrons and protons along the chain, while active processes include the transport of protons and the transfer of electrons to the electron acceptor.
Explanation:The electron transport chain (ETC) involves both passive and active processes. Passive processes include the movement of electrons along the chain from higher to lower energy states, as well as the flow of protons (H+) down their concentration gradient, back into the matrix, through ATP synthase. Active processes include the active transport of protons (H+) across the membrane to create a proton gradient, as well as the active transfer of electrons from reduced electron carriers (NADH, FADH2) to the electron acceptor (O2) at the end of the chain.
A client has black, sticky, tarry, foul-smelling stools from digested dark blood. which term should the nurse use in report to describe this finding?
The term the nurse should use to report and describe the findings in the patient is known as “Melena”. Melena is known to be the dark sticky feces containing a part of digested blood. Melena can be produced by swallowing blood or it may indicate that a person is bleeding internally.