Occurs When Constructive Activities

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Occurs When Constructive Activities?

The Human Body: An Orientation 2
growth occurs when constructive processes occur at a faster rate than destructive processes
excretion elimination of carbon dioxide by the lungs and of nitrogenous waste by the kidneys
responsiveness ability to react to stimuli

What occurs when constructive activities occur at a faster rate then destructive activities?

What occurs when constructive activities occur at a faster rate than destructive activities in the body? Growth is an increase in size of a body part or the organism. … For true growth to occur constructive activities must occur at a faster rate than destructive ones.

What body system provides new cells for growth and repair?

the reproductive system

Reproduction can occur at the cellular or organismal level. In cellular reproduction the original cell divides producing two identical daughter cells that may then be used for body growth or repair. Reproduction of the human organism or making a whole new person is the major task of the reproductive system.

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What is the elimination of carbon dioxide by the lungs and of nitrogenous wastes by the kidneys?

These chemical reactions produce waste products such as carbon dioxide water salts urea and uric acid. Accumulation of these wastes beyond a level inside the body is harmful to the body. The excretory organs remove these wastes. This process of removal of metabolic waste from the body is known as excretion.

What keeps the body’s internal environment from the external environment?

Homeostasis refers to the body’s ability to maintain a stable internal environment (regulating hormones body temp. water balance etc.). Maintaining homeostasis requires that the body continuously monitors its internal conditions.

What is it called when the response enhances the stimulus the mechanism?

When the response enhances the initial stimulus the mechanism is called a positive feedback mechanism. negative feedback mechanisms are much more common in the body.

What is the term that indicates all chemical reactions occurring in the body?

Metabolism is a term that is used to describe all chemical reactions involved in maintaining the living state of the cells and the organism.

What are the 8 functions that humans must perform to maintain life?

What are the 8 functions humans must perform to maintain life?
  • Maintains boundaries. Protect internal components.
  • Movement. The body itself and what is inside.
  • Responsiveness. Ability to sense changes in enviroment.
  • Digestion. …
  • Metabolism.
  • Excretion.
  • Reproduction.
  • Growth.

Which two body systems are primarily being involved with gas exchange?

Gas exchange between tissues and the blood is an essential function of the circulatory system. In humans other mammals and birds blood absorbs oxygen and releases carbon dioxide in the lungs. Thus the circulatory and respiratory system whose function is to obtain oxygen and discharge carbon dioxide work in tandem.

What life function provides the basis for growth and repair at the cellular level?

All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues.

What will happen if waste substances are not removed from your body?

Your body also needs to remove the wastes that build up from cell activity and from digestion. If these wastes are not removed your cells can stop working and you can get very sick. The organs of your excretory system help to release wastes from the body.

What might happen if your respiratory center malfunctioned?

When a person has acute respiratory failure the usual exchange between oxygen and carbon dioxide in the lungs does not occur. As a result enough oxygen cannot reach the heart brain or the rest of the body. This can cause symptoms such as shortness of breath a bluish tint in the face and lips and confusion.

How is carbon dioxide excreted from the body?

Excretion gets rid of carbon dioxide water and other possibly harmful substances from your body. Your lungs excrete carbon dioxide as you breathe out your kidneys filter out nasties to produce urine removing nitrogen waste from your body and your skin sheds excess salt through sweat.

How does the body maintain stability in the face of internal and external changes?

Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis (“steady state”). These changes might be in the level of glucose or calcium in blood or in external temperatures. Homeostasis means to maintain dynamic equilibrium in the body.

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What is the ability to maintain a relatively constant internal environment called?

Homeostasis is the maintenance of a stable internal environment. Homeostasis is a term coined to describe the physical and chemical parameters that an organism must maintain to allow proper functioning of its component cells tissues organs and organ systems.

What is the ability of the body to systems to keep the body balanced on the inside in spite of changes on the outside *?

The human body works to maintain balance among its various internal parts so that all the processes they are responsible for happen consistently. This state of internal equilibrium is called homeostasis and it comes as a result of coordinating the efforts of the body’s organ systems.

What illustrates a positive feedback mechanism?

A positive feedback mechanism. A blood clot stimulating further clotting is an example of: … A positive feedback mechanism.

What are the three actions that the body’s control system must perform in order to maintain homeostasis?

Adjustment of physiological systems within the body is called homeostatic regulation which involves three parts or mechanisms: (1) the receptor (2) the control center and (3) the effector. The receptor receives information that something in the environment is changing.

What component of control mechanism produces a response in the human body?

The integrating center generally a region of the brain called the hypothalamus signals an effector (e.g. muscles or an organ ) to respond to the stimuli.

What is meant by the term synthesis reaction?

Synthesis reactions are reactions that occur when two different atoms or molecules interact to form a different molecule or compound.

What refers to all synthesis reactions?

All of the synthesis reactions in a given organism are collectively referred to as anabolism. A common and important type of synthesis reaction is dehydration synthesis a reaction that involves the formation of a molecule of water in addition to the larger molecule formed by the joining of two smaller molecules.

What provides the basis for body fluids of all types?

The Human Body: An Orientation 2
water provides basis for body fluids of all types
body temperature when too high or too low physiological activities cease primarily because molecules are destroyed or become nonfunctional
homeostasis dynamic state of equilibrium within which internal conditions vary within narrow limits

What are the 9 necessary life functions?

Name nine life functions. Nutrition transport respiration excretion regulation growth reproduction synthesis and metabolism are the life functions or characteristics shared by living things.

What are the basic life processes?

The basic processes of life include organization metabolism responsiveness movements and reproduction. In humans who represent the most complex form of life there are additional requirements such as growth differentiation respiration digestion and excretion. All of these processes are interrelated.

What are the 7 necessary life functions?

Terms in this set (7)
  • Boundaries. -Every living thing needs a boundary to keep its inside distinct from the outside. …
  • Movement. -Includes moving from place to place(but not all living things have the ability to move) …
  • Responsiveness. …
  • Metabolism (includes digestion) …
  • Excretion. …
  • Reproduction. …
  • Growth.

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What is the process by which gas exchange occurs?

Gas exchange during respiration occurs primarily through diffusion. Diffusion is a process in which transport is driven by a concentration gradient. … Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.

What takes place when inhale and exhale?

When you inhale (breathe in) air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time carbon dioxide a waste gas moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.

Which two body systems function to break down food and remove wastes from the body?

(1) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).

What occurs when constructive activities occur faster than destructive activities?

What occurs when constructive activities occur at a faster rate than destructive activities in the body? Growth is an increase in size of a body part or the organism. … For true growth to occur constructive activities must occur at a faster rate than destructive ones.

What are the basic life functions that cells provide?

Cells provide six main functions. They provide structure and support facilitate growth through mitosis allow passive and active transport produce energy create metabolic reactions and aid in reproduction.

What are life processes Why are they essential?

They are necessary for survival. These basic essential activities performed by an organism are called life processes. Important life processes include nutrition transportation metabolism respiration reproduction and excretion which help in the maintenance of living organisms.

Which body system is responsible for removing waste from your body?

The urinary system includes the kidneys ureters bladder and urethra. This system filters your blood removing waste and excess water.

Why is it necessary to remove harmful and waste substances from the body?

Answer: The waste materials produced during the metabolic activities are toxic to the body and must not be accumulated inside and therefore it has to be excreted out from the body by the process of excretion.

What would happen if excretory waste products collected in our body?

As excreted products carry chemicals which release harmful toxins. If they are collected in our body they will create toxicity which will damage the other vital organs of body.

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