Integumentary System
Provide an example for how the integumentary system helps the body maintain homeostasis
Sweating via sweat glands, sensing temperature, protection from drying out and infection
Our bodies produce __________ that can recognize and bind to foreign __________
Antibodies, antigens
Name one type of joint with an example
Ball-and-socket, hinge, pivot, immovable, gliding
What are some features that a muscle may be named for?
Size, shape, function, or number of origins
What is the difference between active and passive immunity?
Active immunity comes from our own body producing antibodies, passive immunity is when we receive antibodies from another source
What are the layers of the integumentary system?
The skin consists of the dermis and epidermis, and below this lies the subcutaneous layer
What is the role of the spleen in our immune response?
The spleen produces B cells, which help produce antibodies
What is the term for the conversion of cartilage into bone?
Ossification
What are the 3 types of muscles? Provide an example of each
Skeletal - biceps
Smooth - internal organs like the stomach
Cardiac - the heart
What is the purpose of the circulatory system?
Exchange of gases and nutrients throughout the body
If you wanted to produce a drug that would cure acne, which part of the integumentary would you target?
The sebaceous glands
What is the difference between cell-mediated and humoral immunity?
Cell-mediated:Uses primarily T-cells to fight antigens that have infected cells
Humoral: Relies primarily on B-cells, and takes place in the fluid between cells
Which part of the bone does the periosteum describe?
The outer covering
Describe how a muscle contraction works
Myosin filaments pull actin filaments inward to shorten the sarcomere of a muscle fiber
What are the 4 types of tissues in our bodies?
Epithelial, Connective, Muscular, Nervous
The nervous system - sensing temperature and pressure
The circulatory system - releasing wastes and receiving nutrients
T-cells are produced in the _____ and mature in the ______, while B-cells are produced in the _____ and mature in the ______
T-cells:
Produced in the bone marrow, mature in the thymus
B-cells:
Produced in the spleen and bone marrow, mature in bone marrow
What changes occur in our bones throughout our life?
Describe the function of antagonistic muscle pairs
Muscles can only pull - to have 2-directional motion we must have muscles arranged in opposite directions around a hinge joint
What are the two portions of a long bone called?
The epiphysis at the ends and diaphysis in the center