Marathon Runner Lessons 2 - 15

The tendency of an organism to maintain a balanced state in order to stay healthy.

• Stimuli
• Response
• Tropism
• Homestasis

Maintaining body temperature is an example of a:

• negative feedback loop
• positive feedback loop

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NGSS.HS-LS1-3

What hormone is produced in the pancreas that lowers blood sugar?

• Insulin

• Glucagon

• Ketones

• Glucose

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NGSS.HS-LS1-3

Which statement is an example of a feedback mechanism in humans?

• An increase in the level of blood sugar results in the pancreas increasing the amount of insulin it secretes.

• Increased exposure to pathogenic bacteria results in an increase in the number of red blood cells produced.

• An increase in exercise results in a decrease in the rate of respiration.

• Increased muscle activity results in a decrease in heart rate.

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NGSS.HS-LS1-3

It may be harmful when people compete to see who can hold their breath the longest underwater. Without oxygen, brain cells

• cannot make enough ATP

• have too few mitochondria

• make too many enzymes

• have too much water

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NGSS.HS-LS1-7

A small lizard spends the morning hours lying in the sunlight until its body temperature rises. Later on in the day, the lizard rest in a shady area until its body temperature cools. This type of behavior is important to

• maintain homeostasis

• detect variations

• attract mates

• obtain nutrients

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NGSS.MS-LS1-3

The organ responsible for producing insulin is...

• Liver

• Heart

• Pancreas

• Gallbladder

What hormone is produced in the pancreas that raises blood sugar?

• Insulin
• Glucagon
• Ketones
• Glucose

Tags

NGSS.HS-LS1-3

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

Which best describes the relationship between the muscular system and the circulatory system? 

• The circulatory system captures carbon dioxide from the air for muscle energy.
• The circulatory system produces red blood cells to bring oxygen to the muscles
• The circulatory system provides a framework for muscle movement
• The circulatory system delivers oxygen for muscle energy

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NGSS.MS-LS1-3