How does an organism move?

Muscles contract and relax in pairs to move bones

Which of the following parts of the digestive system is best paired with its function?

epiglottis – covers the opening of the esophagus

Which statement best explains mechanical digestion?

The teeth break down the food into smaller pieces.

Contrast ligaments and tendons.

Ligaments connect bone to bone tendons connect muscle tobone

The main function of the respiratory system is__________.

to provide gas exchange between the blood and the air

What is the main function of the excretory system?

To filter wastes, toxins, and excess water from cell respir

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7th Grade TEKS Tested on 8th Grade STAAR: 7.12(B) Human Body

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7th Grade Body Systems

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Questions 16

Answers

1
Classify these muscles: Blood pumps through blood vessels, food moves through digestive system
cardiac muscles
skeletal muscles
involuntary muscles
voluntary muscles
2
How does shivering help maintain stable internal conditions in the human body?
It slows the respiration rate.
It decreases body temperature.
It reduces blood circulation.
It increases body temperature.
3
Which of the following blood vessels bring blood carrying wastes back to the heart?
alveoli
capillaries
arteries
veins
4
How does an organism move?
Muscles contract and relax in pairs to move bones
Muscles extend and lift to move bones
Muscles expand and shrink to move bones
5
Which of the following parts of the digestive system is best paired with its function?
esophagus – moves food around and mixes it with saliva
epiglottis – covers the opening of the esophagus
small intestine – secrete digestive juice to break down food
epiglottis – covers the opening of the esophagus
6
Which is NOT a job of the skeletal system?
To produce red blood cells
To store glucose
To protect and support the body
To store calcium & phosphorus
7
What is the name of the organ that pumps blood around the body?
heart
blood vessel
kidney
lung
8
Where does the exchange of food, oxygen, and wastes occur?
Capillaries
lymph vessels
Arteries
veins
9
How does the body maintain homeostasis as body temperature rises?
sweating
shivering
bleeding
increasing heart rate
10
Of the following functions, which one is Not a function of the integumentary system?
Regulate body temperature
Eliminate waste products
Protect against disease
Deliver nutrients
11
Which statement best explains mechanical digestion?
Bile is produced by the liver.
Waste is eliminated through the anus.
Digestive juices in the small intestine break down the food.
The teeth break down the food into smaller pieces.
12
Contrast ligaments and tendons.
Ligament attach cart to bone; tendons attach cart to muscle
Ligaments connect bone to bone tendons connect muscle tobone
Liga connect bone to muscle; tendons connect bone to bone
Ligaments move bone ; tendons hold bones in place
13
People with damaged cartilage experience pain when they move. Explain the function of cartilage
reduces friction
prevents bones from rubbing together
acts as a shock absorber
all answers will be correct
14
Which body system is the primary function as the first line of defense and maintain homeostasis
endocrine
circulatory
respiratory
integumentary
15
The main function of the respiratory system is__________.
To help us move
to provide gas exchange between the blood and the air
To protect our internal organs
To break down food into nutrient molecules
16
What is the main function of the excretory system?
To break down food, absorb nutrients, rid the body of waste.
To filter wastes, toxins, and excess water from cell respir
What is the main function of the excretory system?
To allow the bones of the body to move.

7th Grade TEKS Tested on 8th Grade STAAR: 7.12(B) Human Body Flashcards | StudBud