Integument
What type of tissue makes up the epidermis?
Epithelial tissue
What are the three components of the skeletal system?
Bone, ligament, and cartilage
What connects muscles to bones?
Tendons
What structures make up the central nervous system?
Brain and spinal cord
What is an ion?
A charged particle
What layer of the epidermis is present only in thick skin?
Stratum lucidum
What is the function of an osteoclast?
To break down/resorb bone
Name the two filaments that are involved in muscle contraction.
Actin and Myosin
Name the 5 lobes of the cerebral cortex.
Frontal, Parietal, Occipital, Temporal, Insula
What is a concentration gradient?
A difference in concentration of a solute from one area to another
What is the function of merkel cells in the epithelium?
Sensation
Which type of bone development occurs within hyaline cartilage?
Endochondral ossification
What type of organelle contains myofilaments?
Myofibrils
What do cranial nerve II, III, and IV innervate?
The eyes
Do solutes travel up or down their concentration gradient?
DOWN
Which layer of the epidermis is where mitosis occurs?
Stratum basale
What hormone inhibits osteoclasts and stimulates osteoblasts?
Testoterone
Bundles of muscle cells are called:
Fascicles
What is the most common inhibitory NT?
GABA
Which way does the Na/K pump pump sodium? Potassium?
Pumps sodium out of the cell and potassium into the cell.
What type of gland secretes a viscous, milky fluid full of lipids and proteins?
Apocrine gland
What hormone will be released if blood calcium levels are too low?
Parathyroid hormone (PTH)
What ion is released from the sarcoplasmic reticulum when signaled by an action potential?
Calcium
Where are voltage-gated channels found on a neuron?
Along the axon/axon hillock
Explain secondary active transport.
A pump is used to actively pump a substance up it's concentration gradient, and then a channel is opened to allow that substance to travel down that gradient.