What are the main organs of the circulatory systems?
The heart, blood vessels, and blood.
What are the main organs of the respiratory system?
Nose, trachea, lungs, and diaphragm.
What two organs make up the central nervous system?
The spinal cord and the brain.
What are the main organs of the digestive system?
All living and nonliving things in an area interacting with each other is a(n)
a. environment
b. abiotic
c. ecosystem
d. ecology
C. ecosystem
What are the main organs of the muscular system?
Muscles
What is the main muscle of the respiratory system and what is its function?
The diaphragm. Its function is to help the body breathe in oxygen and out carbon dioxide.
What are the main organs of the skeletal system?
Bones
What is the function of the excretory system?
To remove waste from the body.
Which of the following conducts heat better?
a. salt water
b. wood
c. colored paper
d. copper
d. copper
What does the muscular system help maintain?
Posture
How does the respiratory system work with the circulatory system?
They work together to take in oxygen and release carbon dioxide.
Which organ controls ALL body functions?
The brain.
How does the muscular system work with the digestive system?
The muscular system helps push food down the esophagus after it is swallowed.
a. water in the air cannot remain constant
b. energy cannot be created nor destroyed
c. heat energy flows from warm to cool objects
d. the temperature will not hold more water vapor
c. heat energy flows from warm to cool objects
Which of the following is the difference between voluntary and involuntary muscles?
a. Involuntary muscles keep working without you thinking about them.
b. Voluntary muscles work on their own without you thinking about them.
c. Involuntary muscles move when you think about them.
d. Voluntary muscles are never strong
A. Involuntary muscles keep working without you thinking about them.
What system tells the respiratory system to keep working even while you are asleep?
The nervous system.
How does the skeletal system work with the muscular system?
They work together to provide movement to the body.
Which part of the digestive system absorbs nutrients?
The small intestine.
What type of heat circulates the liquid or air to heat it?
Convection
Which two systems are involved in blinking your eyes?
Nervous and muscular.
Which organ in the respiratory system is also called the "windpipe?"
The trachea
What is the function of the nervous system?
Carries electrical signals to and from the brain.
How do the digestive and circulatory systems work together?
The digestive system breaks down the food and the circulatory system transports the nutrients from that food throughout the body.
A forest is home to blue jays, rabbits and foxes. The blue jays eat mostly acorns, seeds, insects, and fruit. The rabbits eat grass and bark. The foxes eat fruit, bird eggs, frogs, mice, rabbits, and birds. If the fox population suddenly got smaller, what would happen to the blue jay population?
a. It would also get smaller
b. It would get larger
c. It would disappear
d. It would remain the same