Life's a
Balancing Act
Balancing Act
The part of a feedback system that sends information to the control centre after sensing a stimulus.
A receptor.
The plane that divides the body with a left and right side that is not midline of the body.
Parasagittal line.
The organelle that helps to propel substances from the cell's surface.
Cilia
The property of muscle tissue that allows it to return to its original shape after stretching.
Elasticity.
Homeostasis is largely controlled by these two body systems.
Nervous and endocrine systems.
In the anatomical position, the shoulder is ________ and ____________ to the belly button.
Superior and lateral.
Considered the "king" of homeostasis.
The plasma membrane.
Two examples of loose connective tissue.
Areolar, adipose and reticular.
Main purpose of a 'control centre.'
To set the range of values for controlled conditions.
The body cavity that contains the mediastinum.
The thoracic cavity.
Three types of bone cells and their functions.
Osteoblast - bone formation
Osteoclast - bone breakdown
Osteocyte - mature bone cell that maintains nutrition of bone
Contains densely packed collagen fibers that line up in the same direction to allow it to withstand a force in one direction.
Dense regular CT.
The role of an effector.
Receives messages from the control centre to produce a response that changes the controlled condition.
The term used to define injuries on the same side of the body.
Ipsilateral.
Two components fo the phospholipid bilayer that help to maintain cell shape/provide structural support.
Cholesterol and peripheral proteins.
One similarity and one difference between cardiac and skeletal muscle.
Similarities - both are striated
Differences - skeletal muscle is multi-nucleated, cardiac muscle is involuntary, cell shape (skeletal - long fibers, cardiac - branched), fatiguability
The receptor, control centre and effector involved in temperature regulation when exposed to hot temperatures.
Receptor - temperature receptor in skin
Control centre - temperature regulatory centre in brain
Effector - sweat glands (sweat evaporates to cool the body)
In the anatomical position, the thumb is ________ and _______ to the wrist.
Two types of passive membrane transport and three types of active membrane transport.
Passive: facilitated and simple diffusion
Active: active (transmembrane proteins - Na+/K+ pump), endocytosis (pinocytosis, phagocytosis) and exocytosis
The __________ forms an attachment for ligaments and tendons while _________ lines the inner surface of bone, along the medullary cavity.
Periosteum, endosteum