HL - Chapter 2 - First Aid - Unit 1 Lesson 4 Flashcards
Respiratory system
Delivers oxygen to and removes carbon dioxide from the blood.
Circulatory system or cardiovascular system
Pumps blood throughout the body. It delivers oxygen and nutrients to and removes waste from the body’s tissues. Heart, veins, capillaries, arteries, and blood
Pulse Points
Carotid - either side of the neck
Brachial - inside of the upper arm
Femoral - groin area
Radial - thumb side of the wrist
Skeletal system
Gives shape and protects vital organs
Muscular system
Gives the body shape, protects internal organs, and allows for body movement
Voluntary muscles
Used for deliberate acts, such as chewing, bending, lifting, and running
Involuntary muscles
carry out many automatic body functions - breathing etc
Cardiac muscles
found only in the heart, work constantly to expand and contract the heart.
Nervous system
controls voluntary and involuntary body activity
Central nervous system
the brain and the spinal cord
Peripheral nervous system
includes nerves that connect to the spinal cord and branch out to every other part of the body
Skin
protects everything inside the body, provides a barrier against
bacteria and harmful organisms, and regulates body temperature
