The basic building blocks of the human body are cells. Human cells are organized into tissues, tissues are organized into organs, and organs are organized into organ systems.
What body system helps convert food into energy and nutrients that the body can use? A. nervous system B. urinary system C. respiratory system D. digestive system
D. digestive system
20
What body system uses the spinal cord and nerves to communicate with the brain? A. digestive system B. nervous system C. respiratory system D. urinary system
B. nervous system
20
What body parts act like doors that control blood flow in the heart? A. atria B. chambers C. valves D. ventricles
C. valves
20
What body system uses the spinal cord and nerves to communicate with the brain? A. digestive system B. nervous system C. respiratory system D. urinary system
B. nervous system
20
What body system helps to protect us against viruses, bacteria, and parasites? A. immune system B. nervous system C. respiratory system D. urinary system
A. immune system
20
Urinary system brings oxygen into the body using the lungs. TRUE or FALSE
FALSE
20
Circulatory system includes the heart, blood, and blood vessels. TRUE or FALSE
TRUE
20
The respiratory system is made up of the trachea, the lungs, and the diaphragm. TRUE or FALSE
TRUE
20
An organ system is a group of organs that work together to carry out a complex function. TRUE or FALSE
TRUE
20
The cerebellum is the thinking part of the brain and it controls your voluntary muscles. TRUE or FALSE
FALSE
20
What are the two types of white blood cells?
PHAGOCYTES AND LYMPHOCYTES
25
What muscle contracts to make room for air in your lungs?
DIAPHRAGM
25
When you breathe in air, you bring oxygen into your lungs and blow out:
CARBON DIOXIDE
25
The movement of blood through the heart and body is called:
CIRCULATION
25
Which part of the body is the control center of the nervous system?
