Type of muscle attached to the skeleton; helps move bones.
What is skeletal muscle?
Type of blood cells that carry oxygen.
What are red blood cells?
The process of breaking down food molecules into their smaller nutrients that can be absorbed into the bloodstream.
What is digestion?
Another name for a nerve cell
What is a neuron?
Where digestion begins.
What is the mouth?
Soft tissue at the end of bones; cushions joints.
What is cartilage?
What are arteries?
Tube that connects the mouth to the stomach.
What is the esophagus?
The brain and spinal cord make this up.
What is the central nervous system?
Another name for the windpipe.
What is the trachea?
Soft tissue INSIDE bones; where blood cells are made.
What is bone marrow?
Thin blood vessels that allow for the exchange of materials between the blood and the surrounding cells.
What are capillaries?
The site of most nutrient absorption into the bloodstream.
What is the small intestine?
Chemicals that are released into the blood by endocrine glands.
What are hormones?
The overall number of chambers in the human heart.
What is 4?
Elastic connective tissue that holds bones together at joints.
What are ligaments?
Movement from high to low concentration; how the oxygen moves from the air into the bloodstream.
What is diffusion?
Tubes that carry urine from the kidneys to the bladder.
What are ureters?
Long extension of a neuron; sends the impulse away from the cell body.
What is an axon?
The muscle under the lungs that controls inhalation and exhalation.
What is the diaphragm?
Main molecule for energy produced during cellular respiration; essential for movement of muscles.
What is ATP?
Small, inflatable sacs in the lungs that are where gas exchange takes place.
What are alveoli?
Substance secreted by the liver and stored in the gall bladder; breaks down fats into droplets.
What is bile?
Branched extensions off of the cell body of a neuron; resemble antennae. They receive impulses from surrounding cells or the environment.
What are dendrites?
Type of cellular respiration that DOES NOT require oxygen.
What is anaerobic respiration?