Tough bands of connective tissue that connect muscles to bones
What are tendons?
The largest organ in the human body
What is the skin?
The largest of the vessels, these carry oxygenated blood from heart
What are arteries?
A substance that acts on certain target cells and tissues to produce a specific response
What is a hormone?
Watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion
What is saliva?
This muscle type is developed for endurance (as opposed to sprinting)
What is slow-twitch muscle?
Long-living cells that were exposed to antigen that are ready to respond if body encounters the same pathogen
What are memory cells?
The mechanical movement of air into and out of your lungs
What is breathing?
A chemical that diffuses across a synapse and binds to the receptors of the dendrite of a neighboring neuron
What is a neurotransmitter?
This organ, also part of the respiratory system, secretes carbon dioxide from the body
What are the lungs?
This is where white blood cells and platelets are produced
What is bone marrow?
This is the outermost layer of skin
What is the epidermis?
Two large tubes that lead to the lungs
What are the bronchi?
The gland that secretes epinephrine, a hormone that controls the “fight, flight or freeze” response
What are the adrenal glands?
The organ that filters out wastes, water, and salts from the blood
What are the kidneys?
Muscles attached to bones by tendons which cause movement
What are skeletal muscles?
This is nature's way of providing us with active immunity
What is infection (getting sick)?
Found in your blood, these are important in forming blood clots
What are platelets?
An electrical charge travelling the length of a neuron
What is a nerve impulse?
The small sac-shaped organ beneath the liver, in which bile is stored after secretion by the liver and before release into the intestine
What is the gallbladder?
The joint with the widest range of motion, like the shoulder or hip
What is a ball and socket joint?
A protein secreted by virus-infected cells that stimulates nearby cells to produce antiviral proteins
What is an interferon?
Lung inflammation caused by infection, in which the air sacs fill with pus and may become solid
What is pneumonia?
Secretes hormones that regulate body functions and other glands
What is the pituitary gland?
The involuntary constriction and relaxation of the muscles of the esophagus and intestines, creating wave-like movements that push the contents of the canal forward
What is peristalsis?