A living thing that is made up of one or more cell.
organism
An amoeba is a single-celled organism. What best describes its ability to serve as a single celled organism?
A. An amoeba can find it’s food easily.
B. The cell is exposed to the outer environment on all sides.
C. The body of an amoeba is simple and microscopic in size.
D. An amoeba can perform all life processes within a single cell.
D. An amoeba can perform all life processes within a single cell.
With what function is the nervous system of the body most directly involved?
A. Elimination of body waste
B. Control of bodily function and movement
C. Movement of blood through the body
D. Exchange of materials between blood and cells
B. Control of bodily function and movement
The function of this organ is to pump blood through the body over and over again (part of the circulatory system).
the heart
Which is a function of human bones?
A. Produce blood cells
B. Transmit impulses
C. Remove harmful toxins from the blood
D. Regulate body temperature
A. Produce Blood Cells
An organism with just one cell.
Unicellular
Earthworms, beetles, millipedes and slugs are examples of what kind of organism?
Multi-celled Organisms
In humans, between what two systems does most gas exchange occur?
A. Digestive and circulatory systems
B. Circulatory and Respiratory systems
C. Respiratory and Digestive systems
D. Muscular and Respiratory systems
B. Circulatory and Respiratory systems
A tubular structure carrying blood through the tissues and organs.
blood vessel
Which substance is a harmful waste material in blood that travels through the respiratory system before being exhaled from the body?
A. Ammonia
B. Carbon Dioxide
C. Sulfur Dioxide
D. Water
B. Carbon Dioxide
An organism composed with several or many cells
Multicellular
Which function is shared in both single celled organisms and multi-celled organisms?
A. Intake of nutrients for growth
B. Use of developed transport systems
C. Creation of specialized tissues
D. All life processes occurring in all cells
A. Intake of nutrients for growth
Which structures are part of the circulatory system?
A. Arteries and veins
B. Tendons and ligaments
C. Trachea and lungs
D. Pancreas and liver
A. Arteries and veins
The primary function is respiration. They enable you to breathe and bring oxygen into the body and carry out carbon dioxide.
This is a list of several human body systems: circulatory system, digestive system, muscular system, skeletal system.
Which two systems in the list work together to benefit the survival of humans by helping them to create shelter, pick up objects and gather food?
A. Circulatory and digestive
B. Digestive and muscular
C. Muscular and skeletal
D. Skeletal and circulatory
C. Muscular and skeletal
A system that allows a multi-organism to take in nutrients from the environment and move them around the body to whatever cells need them.
Transport System
Why do humans need multiple transport systems within the body?
A. The systems allow all cells to make exchanges with the outside environment.
B. The systems allow all cells to move throughout each body system.
C. The systems allow materials from cells to be directly exchanged with the outside environment.
D. The systems allow materials from cells to move throughout the body.
D. The systems allow materials from cells to move throughout the body.
Which body system includes the esophagus, mouth and the small intestines?
A. Circulatory system
B. Digestive system
C. Nervous system
D. Respiratory system
B. Digestive system
Any of the pieces of hard, whitish tissues making up the skeleton in humans and other vertebrates.
How are arteries and veins different?
A. They are both blood vessels.
B. Veins carry blood away from the heart and arteries carry blood to the heart.
C. Veins carry blood to the heart and arteries carry blood away from the heart.
D. They both have capillaries.
C. Veins carry blood to the heart and arteries carry blood away from the heart.
Similar cells with a specific function (job)
Tissue
A student is classifying organisms as single-celled or multi-celled. Which characteristic will help the student classify an organism as multi-celled?
A. The organism can reproduce on its own.
B. The organism can carry out all life processes.
C. The organism is able to perform various functions because of differentiated cells.
D. The organism is able to survive in terrestrial and aquatic environments.
C. The organism is able to perform various functions because of differentiated cells.
Which statement, regarding a set of human body structures, is correctly paired with the human body system to which it belongs?
A. Arteries and veins are part of the nervous system.
B. Tendons and ligaments are part of the skeletal system.
C. Small intestines and esophagus are part of the muscular system.
D. Trachea and lungs are part of the respiratory system.
D. Trachea and lungs are part of the respiratory system.
A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.
muscles
Which of the following is an example of using a voluntary muscle?
A. Kicking a ball
B. Blinking
C. Breathing
D. Digesting
A. Kicking a ball