Medical Quiz

Living Organisms Quiz


What is one way the respiratory system and the circulatory system work together in the human body?

A. The circulatory system takes in nutrients, while the respiratory system delivers oxygen.

B. The circulatory system takes in water, and the respiratory system takes in carbon dioxide.

C. The respiratory system takes in nutrients, while the circulatory system delivers carbon dioxide to the cells of the body.

D. The respiratory system takes in oxygen, and the circulatory system delivers the oxygen to the cells of the body.

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

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.

Which best explains why muscle is considered a tissue?

A. It is connected to bones.

B. It can move voluntarily or involuntarily.

C. It interacts with several organ systems.

D. It is a group of cells working together.

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

The table describes four different organ systems in the human body. The organs in System 3 are most likely part of the

A. immune system.

B. endocrine system.

C. respiratory system.

D. digestive system.

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 of these systems functions to protect and support vital organs?

A. digestive

B. skeletal

C. nervous

D. excretory

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.

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

Blood is a fluid made up of several different parts. What level of structural organization BEST describes blood?

A. a cell

B. a tissue

C. an organ

D. a system

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

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

The heart, blood vessels, kidneys, and bladder working together are best described as

A. a cell.

B. a tissue.

C. an organism.

D. a system.

A diagram of a sponge is shown.
Sponges are marine animals that pump water through their bodies to transport food, gases, and waste to and from cells. What system in mammals has the same type of function?

A. nervous

B. skeletal

C. muscular

D. circulatory

The respiratory system in the human body is shown in the diagram below. What is the main relationship between the trachea, bronchioles, and alveoli?

A. They work together to transport nutrients.

B. They work together to regulate body temperature.

C. They work together to store fluids to prevent dehydration.

D. They work together to maintain the oxygen level in the blood.

Blood absorbs oxygen in the

A. heart.

B. lungs.

C. stomach.

D. muscles.

Miranda learned how the human body carries out life functions. Which is the MOST basic level of organization in the human body?

A. an organ

B. a system

C. a tissue

D. a cell

Which is a feedback mechanism the human body uses to maintain homeostasis?

A. copying genetic material during cell division

B. rejecting a flu vaccine by the immune system

C. perspiring to lower the body temperature

D. learning a new behavior to survive in a new environment

Which body system is most responsible for the removal of waste?

A. skeletal system

B. nervous system

C. muscular system

D. excretory system

Which structure refers to a group of specialized cells that all perform the same function?

A. virus

B. tissue

C. organ

D. nucleus

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

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.

Which cells help to destroy pathogens such as bacteria that enter the human body?

A. red blood cells

B. liver cells

C. white blood cells

D. brain cells

From simplest to most complicated, how are multicellular organisms organized?

A. organ system, organ, cell, tissue

B. organ, tissue, cell, organ system

C. tissue, cell, organ system, organ

D. cell, tissue, organ, organ system


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