Science: Human Body Systems Flashcards
Skin is included in two systems
Excretory system
Immune systems
Deoxygenated blood enters heart through
Right atrium
Blood leave heart through _ to the lungs to pick up oxygen
Pulmonary artery
Oxygen rich blood returns to heart through _ and is pumped to rest of body through _
Left atrium
Left ventricle
_ system moves blood and other substances through the body
Muscular system
Voluntary muscles
Involuntary muscles (2)
Skeletal muscles
Smooth muscles (digestive tract) and cardiac muscles
Produce antibodies that bind to foreign substances and neutralize them
B cells
Remove body cells that have been infected by bacteria or viruses
T cells
Brain:
Biggest area
Control thinking, vision, hearing, touch
Cerebrum
Brain:
Located back and bottom
Controls motor movements
Cerebellum
Brain:
Brain stem connects to spinal cord
*controls automatic functions of body
Medulla
Transmit messages to the muscles
Axons
liver part of what systems (2)
Endocrine and excretory
Produces a fluid that nourishes and protects sperm
Prostate