Living Organisms Quiz
Preview:
Blood absorbs oxygen in the
A. heart.
B. lungs.
C. stomach.
D. muscles.
When a multicellular organism is damaged, it will repair itself as
A. it mutates.
B. the cells work together.
C. the cells move.
D. it makes its own food.
Plants have cells, tissues, organs, and systems that allow them to function as complete organisms. Which parts of a plant function as an organ?
A. leaves
B. spores
C. root hairs
D. chlorophyll molecules
On a class field trip, Zach took a walk through the woods using his senses. Zach made observations on the different sights, smells, and sounds in the woods. What system transferred the observations from his senses to his brain?
A. nervous system
B. digestive system
C. circulatory system
D. respiratory system
How do the digestive system and the circulatory system work together in the human body?
A. The digestive system sends electric messages, while the circulatory system responds to the messages.
B. The digestive system provides structure for the body, while the circulatory system directs the movement.
C. The digestive system removes liquid toxins from the body, while the circulatory system removes solid waste.
D. The digestive system extracts nutrients from food, while the circulatory system transports those nutrients.
Cells in the body are specialized to perform certain functions. Most cells have a certain size and shape related to their purpose in the body. The diagram shows one type of cell. Based on its shape, what is the MOST likely function of this cell?
A. to provide structure and support
B. to carry blood throughout the body
C. to provide a cover over body tissues
D. to carry impulses throughout the body
Which body system is most responsible for the removal of waste?
A. skeletal system
B. nervous system
C. muscular system
D. excretory system
One system of the human body works along with the skeletal system by assisting movement and maintaining posture. Which system is being described?
A. respiratory
B. circulatory
C. muscular
D. digestive
Which is a function of the respiratory system?
A. to provide the body with carbon dioxide, which reacts with food to produce energy
B. to provide the body with oxygen, which reacts with food to produce energy
C. to provide the cells with glucose, which is used as a source of energy
D. to provide the cells with water, which is used as a source of energy
In humans, the digestion process begins in
A. the intestine, with squeezing.
B. the mouth, with chewing and saliva.
C. the stomach, with churning and acid.
D. the esophagus, with pushing towards the stomach.
How are tissues and organs related?
A. Groups of tissues form cells, which work together to make up a single organ.
B. Groups of organs form cells, which work together to make up a single tissue.
C. Groups of tissues work together to make up a single organ.
D. Groups of organs work together to make up a single tissue.
The structures in the bodies of many organisms have levels of organization that help the body to carry out life processes. Which list correctly shows how these levels are organized from the simplest to the most complex?
A. tissue, cell, organ, organ system
B. organ, cell, organ system, tissue
C. cell, tissue, organ, organ system
D. organ system, tissue, organ, cell
Mitochondria are cell organelles that play a large role in energy processes within the body. Which cells are most likely to have a greater amount of mitochondria?
A. skin
B. bone
C. blood
D. muscle
Which of these systems functions to protect and support vital organs?
A. digestive
B. skeletal
C. nervous
D. excretory
Agnes learned that the brain, spinal cord, and nerves work together. What do they combine to form?
A. a cell
B. a tissue
C. an organ
D. a system