Human Body Systems 1
This body system includes our bones and gives our body structure & support
Skeletal System
The part of the body where food enters and digestion begins
Mouth
Parts of the Nervous System
Brain (Control Center), Spinal Cord, Nerves (neurons)
This organ pumps blood throughout our body and is the most important part of the Circulatory System.
Heart
What is the first level of organization and basic unit of life?
cell
This body system delivers oxygen-rich blood and nutrients to all parts of the body
Circulatory System
Biceps and triceps are included in this body system and while one contracts, the other relaxes
Muscular system
Two body systems work together to support the body and allow the body to move
Skeletal and Muscular systems
Main function of the digestive system
Turn food into energy
What are the different levels of organization of the human body?
cells → tissues → organs → organ systems → organisms
This body system has the job of exchanging carbon dioxide & oxygen with the environment
Respiratory system
Provides nutrients to the body that in turn will be delivered to the cells via the circulatory system
Digestive system
This is our bodies first layer of defense against pathogens.
the skin
Primary function of the nervous system
Communicate with other systems
Large tube that carries food from the mouth to the stomach
esophagus
This is made in the bones of our skeletal system
bone marrow
The largest organ in the human body
Skin
During exercise, a man's heartrate and breathing increases. Which two systems work together?
Circulatory and Respiratory
4 parts of the Respiratory System
Trachea, lungs, bronchi, diaphragm
When it's hot outside, which system signals your body to sweat?
Nervous System
This body system controls voluntary and involuntary movements within the body
Nervous system
When you touch something hot, what 3 systems work together to let you move your hand away?
Nervous, Muscular and Skeletal
Organ where food mixes with juices (acid) and breaks down into smaller pieces
Stomach
What is it called when peepee/poopoo is removed from your body?
Elimination
This vital organ filters out your blood
Kidneys