Body Systems Ncfe Review

21 Questions | By Searcya | Last updated: Mar 15, 2022 | Total Attempts: 98

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Questions and Answers

1.

Cells are the simplest form of life.
- A.
  
  True
- B.
  
  False
2.

Which statement describes the organization of living organisms?
- A.
  
  All organisms are composed of many cells, which are the basic units of structure but do not perform life functions.
- B.
  
  All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
- C.
  
  All organisms are composed of many cells that have basic units with unique structures and functions.
- D.
  
  All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structure.
3.

Which best explains why muscle is considered a tissue?
- A.
  
  It connects to the bones
- B.
  
  It can move voluntarily or involuntarily
- C.
  
  It interacts with several organ systems
- D.
  
  It is a group of cells working together
4.

Which is the highest level of organization?
- A.
  
  Cells
- B.
  
  Tissues
- C.
  
  Organ
- D.
  
  Organ systems
5.

A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
- A.
  
  An increase in heart rate
- B.
  
  Increase in body temperature
- C.
  
  Increase in oxygen demand
- D.
  
  Increase in breathing rate
6.

What is the main function of the vomiting reflex?
- A.
  
  Rid the body of wastes
- B.
  
  Expel food that has no nutritional value
- C.
  
  Empty stomach when it has too much food
- D.
  
  Remove toxic material from the stomach before it is absorbed
7.

Why does the brain of mammals keep track of temperature of the skin and the blood?
- A.
  
  Control the activity level of the mammal
- B.
  
  Guide the mammal to warmer or colder locations
- C.
  
  maintain a stable body temperature regardless of air temperature
- D.
  
  Regulate breathing rate, heart rate in extreme conditions
8.

What is the primary source of genetic information found in a cell?
- A.
  
  ATP
- B.
  
  DNA
- C.
  
  RNA
- D.
  
  ESP
9.

Referring to the human body, which complex level of organization (highest level) would contain the lungs?
- A.
  
  Respiratory system
- B.
  
  Lung cells
- C.
  
  Lung tissues
- D.
  
  Windpipe
10.

How do the digestive and the circulatory system work together within the human body?
- A.
  
  Digestive system send electrical messages, while the circulatory system responds to the messages
- B.
  
  Digestive system provides structure for the body, while the circulatory system directs the movement
- C.
  
  Digestive system removes liquid toxins from body, while the circulatory system removes the solid waste
- D.
  
  Digestive system extracts nutrients from food, while the circulatory system transports those nutrients
11.

Cells in the body are specialized to perform certain functions. Most cells have a certain size & shape related to their purpose within the human body. The diagram below shows one type of cell. Based on the shape, what is the most likely function of this cell?
- A.
  
  Provide structure and support
- B.
  
  Carry blood throughout the body
- C.
  
  Provide a cover over the body tissues
- D.
  
  Carry impulses throughout the body
12.

What part of the digestive system first causes chemical changes to food?
- A.
  
  Teeth
- B.
  
  Saliva in the mouth
- C.
  
  Enzymes in the stomach
- D.
  
  Enzymes in the small intestine
13.

Use the diagram- Which body system would include the movement and works in coordination with the skeletal system?
- A.
  
  Muscular
- B.
  
  Digestive
- C.
  
  Circulatory
- D.
  
  Respiratory
14.

You touch a hot pan on the stove. The immediate reaction of your hand is to pull back from the heat. What body systems are active and working?
- A.
  
  Muscular and Nervous Systems
- B.
  
  Respiratory and Digestive Systems
- C.
  
  Nervous and Digestive Systems
- D.
  
  Digestive and Muscular
15.

What is blood clotting made possible by?
- A.
  
  White blood cells
- B.
  
  Red blood cells
- C.
  
  Platelets
- D.
  
  Plasma
16.

_________________ : soldiers within the circulatory system
- A.
  
  White blood cells
- B.
  
  Red blood cells
- C.
  
  Plasma
- D.
  
  Platelets
17.

Arteries carry blood away from the heart.
- A.
  
  True
- B.
  
  False
18.

Where is plasma found?
- A.
  
  In the blood
- B.
  
  In bone marrow
- C.
  
  In your muscles
- D.
  
  In your brain
19.

The major function or purpose of B-cells within the body would be to....
- A.
  
  Produce antibodies
- B.
  
  Kill off invading threats
- C.
  
  They are dangerous to your body and as a result can kill you
- D.
  
  None of the above
20.

In the human body, the primary function of this body system is the movement of bones, body fluids, and food....
- A.
  
  Digestive
- B.
  
  Skeletal
- C.
  
  Circulatory
- D.
  
  Muscular
21.

Homeostasis helps to regulate which of the following...
- A.
  
  Blood pressure
- B.
  
  Blood sugar
- C.
  
  Heat/cold (body temperature)
- D.
  
  Amount of water/salts body has taken in