Human Body Systems 1
The body system that is responsible for breaking down your food into usable nutrients.
The digestive system
The digestive system
The body system responsible for bringing in oxygen and removing carbon dioxide.
The respiratory system
The body system that coordinates the body's actions and transmits signals to and from different parts of the body.
The nervous system
The body system that distributes oxygenated blood through the body.
The circulatory system
Where do humans acquire energy
Food
What is considered the smallest level of organization in a living organism?
Cell
The movement in your body that you do not control?
Involuntary Movement
The brain is responsible for coordinating movement and balance?
True
List the levels of organization in the human body from simplest to most complex, starting with the cell and ending with organ system.
cell --> tissue --> organ --> organ system
The two systems that must work together for the body to move.
Skeletal and Muscular
What is composed of Tissues?
Organs
Waste
What are human beings considered:
a. Multicellular Organisms with Simple body systems
b. Multicellular Organisms with Complex body systems
c. Multicellular Organisms with No body systems
B
What is the hollow tube that connects the throat to the stomach?
The airway that transports oxygen to and from your lungs?
Trachea
True or false: Veins are blood vessels that carry oxygenated blood from the body.
False: arteries
True or false: The central nervous system consists of the brain and spinal cord.
True
Give one example of an involuntary movement
Breathing, Blinking, Heart Beating etc..
The stomach is the organ in the digestive system where nutrients we eat are absorbed into the blood stream.
False: small intestines
What are the 2 main functions of the circulatory system?
1. Transports oxygen to cells
2. Removes carbon dioxide from cells
What is the main functions of the respiratory system?
1. The exchange of oxygen and carbon dioxide between the blood and the cells of the body
What are the 2 main functions of the digestive system?
1. Digest food into usable nutrients
2. Absorb nutrients into the blood stream
Describe how organs create organisms
They work together to accomplish a task
Name the two parts of the nervous system.
Central Nervous System (CNS) and Peripheral Nervous System (PNS)