Chapter 1 Flashcards
What does Macro mean?
Something you can see with your own eyes
What does micro mean?
Something that you can only see under a microscope
What does the integumentary system do? (Skin,hair,nails)
Protects internal organs
Site of sensory receptors
What does the skeletal system do?
Supports the body
Allows movements
What does the muscular system do?
Enables movement
Helps maintain body temperature
What does the nervous system do?
Detects and processes sensory information
Activates body responses
What does the endocrine system do?
Secretes hormones
Regulates body processes
What does the cardiovascular system do?
Delivers oxygen and nutrients to tissues
Equalizes body temperature
What do veins do?
Bring oxygen to the heart
What do arteries do?
Bring blood away from the heart
What does the lymphatic system do?
Returns excess water to blood
Helps defend against pathogens
What does the respiratory system do?
Gets rid of carbon dioxide
Delivers oxygen to blood
What does the digestive system do?
Processed food for use by the body
Removes waste
What does the urinary system do?
Controls water level in your body
Removes waste
What does metabolism mean?
How quickly you build things up and break them down
What does catabolism mean?
The breakdown, breaks bonds to release energy (makes molecules smaller)
What does anabolism mean?
Making bonds, store energy by building bonds ( makes molecules bigger)
What does negative feed back mean?
When something happens your body will do the opposite to balance it out (like when u cut yourself the cut will close)
What does positive feedback mean?
The more something happens, the more the body with allow it (when giving birth the uterus opens more instead of closing)
What does proximal mean?
Closer to the trunk of the limb ( on the arm the “trunk” would be the shoulder)
What does distal mean?
Farther from the point of attachment or trunk of the body ( phalanges are distal to the femur)
What does anterior (ventral) mean?
Front of the body
What does posterior (dorsal) mean?
Toward the back of the body
What does the superior (cranial) mean?
Position above another part of the body (the cranium is superior the thorax)