Body Systems Living Environment

The diagram below represents changes that take place within the human body. The diagram represents

• cellular differentiation

• dynamic equilibrium

• gene interaction

• biological evolution

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Anhidrosis is the inability to sweat normally. If the human body cannot sweat properly, it cannot cool itself, which is potentially harmful. Anhidrosis most directly interferes with

• a feedback mechanism that maintains homeostasis

• an immune system response to harmless antigens

• the synthesis of hormones in the circulatory system

• the enzymatic breakdown of water in cells

Which statement describes a failure of homeostasis in humans?

• When activity in an individual increases, the body temperature rises and the individual sweats.

• As the concentration of carbon dioxide increases in the human body, the lungs begin to expel more carbon dioxide.

• A viral infection leads to a decrease in the number of white blood cells being produced in the body.

• After an individual gets a cut, certain chemical changes begin the healing process.

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When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen

• oxygen/carbon dioxide 

• carbon dioxide/waste 

• waste/air 

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What is the function of the dome-shaped diaphragm muscle?

• The diaphragm is where oxygen dissolves into the blood stream.

• The diaphragm is where air passes through on the way to the lungs.

• The diaphragm attaches to the lungs and contracts and relaxes to help in breathing.

• The diaphragm expands to allow food into the stomach.

These air sacs in the lungs are covered with capillaries. It is the location where gas exchange takes place in which oxygen leaves the lungs and enters the blood stream.

• ravioli

• diaphragm

• nasal passage

• alveoli

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This is image is an example of a(n) __________.

• organ system

• cells

• organ

• tissue

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This is an example of a(n) ________.

• cell

• organ system

• organ

• tissue

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What is the term for a group of similar cells working together?

• organ

• organelle

• tissue

• organism

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NGSS.MS-LS1-3

Which two systems are responsible for bringing in oxygen and delivering the oxygen throughout the body?

• nervous

• respiratory

• digestive

• cardiovascular (circulatory)