Homeostasis & Organization
his term describes the body’s ability to maintain a stable internal environment.
What is homeostasis?
This system includes the skin, hair, nails, and glands.
What is the integumentary system?
This division of the skeleton includes the skull, spine, and rib cage.
What is the axial skeleton?
This muscle type is found attached to bones.
What is skeletal muscle?
The brain and spinal cord make up this system.
What is the central nervous system (CNS)?
This liquid portion of blood makes up about 55% of blood volume.
What is plasma?
This part of a feedback loop detects changes in the internal or external environment.
What is a receptor?
One main function of the skin is protecting the body from these.
What are pathogens and injury?
This type of bone is found in the femur and humerus.
What is a long bone?
Muscles that you can consciously control are described as this.
What are voluntary muscles?
These cells carry electrical signals throughout the body.
What are neurons?
Red blood cells are also known as these.
What are erythrocytes?
The structure that decides how the body should respond to a stimulus.
What is the control center (the brain)?
This pigment helps protect the skin from UV radiation.
What is melanin?
One major function of the skeletal system is producing blood cells in this tissue.
What is bone marrow?
When one muscle contracts and the other relaxes, the muscles are working as this.
What are muscle pairs?
This part of a neuron receives incoming signals.
What are dendrites?
The main function of white blood cells is this.
What is immune defense?
This type of feedback loop works to return the body to its normal set point.
What is negative feedback?
The outermost layer of the skin.
What is the epidermis?
Compact bone is mainly found in this part of a long bone.
What is the shaft (diaphysis)?
The stationary attachment point of a muscle is called this.
What is the origin?
The gap between neurons where neurotransmitters are released.
What is a synapse?
Platelets are essential for this process.
What is blood clotting?
An example of positive feedback during childbirth involves this hormone.
What is oxytocin?
This skin function helps regulate body temperature through sweat.
What is thermoregulation?
This joint type allows movement in one direction, like the elbow.
What is a hinge joint?
This molecule provides the energy muscles need to contract.
What is ATP?
These neurons carry signals from receptors to the brain and spinal cord.
What are sensory neurons?
A stroke caused by a blocked blood vessel is this type.
What is an ischemic stroke?
Blood sugar regulation using insulin is an example of this feedback mechanism.
What is negative feedback?
The layer of skin that contains blood vessels, nerves, and sweat glands.
What is the dermis?
A fracture caused by twisting forces is called this type of fracture.
What is a spiral fracture?
When oxygen is not available, muscles produce energy using this process.
What is anaerobic respiration?
This structure carries visual information from the eye to the brain.
What is the optic nerve?
This type of stroke occurs when a blood vessel ruptures in the brain.
What is a hemorrhagic stroke?