Skeletal/Muscular
Circulatory/Respiratory
Digestive/Excretory
Nervous/Endocrine
????????
100

Type of muscle attached to the skeleton; helps move bones.

What is skeletal muscle?

100

Type of blood cells that carry oxygen.

What are red blood cells?

100

The process of breaking down food molecules into their smaller nutrients that can be absorbed into the bloodstream.

What is digestion?

100

Another name for a nerve cell

What is a neuron?

100

Where digestion begins.

What is the mouth?

200

Soft tissue at the end of bones; cushions joints.

What is cartilage?

200
Thick, muscular blood vessels that carry blood AWAY from the heart. USUALLY contain oxygenated blood.

What are arteries?

200

Tube that connects the mouth to the stomach.

What is the esophagus?

200

The brain and spinal cord make this up.

What is the central nervous system?

200

Another name for the windpipe.

What is the trachea?

300

Soft tissue INSIDE bones; where blood cells are made.

What is bone marrow?

300

Thin blood vessels that allow for the exchange of materials between the blood and the surrounding cells.

What are capillaries?

300

The site of most nutrient absorption into the bloodstream.

What is the small intestine?

300

Chemicals that are released into the blood by endocrine glands.

What are hormones?

300

The overall number of chambers in the human heart.

What is 4?

400

Elastic connective tissue that holds bones together at joints.

What are ligaments?

400

Movement from high to low concentration; how the oxygen moves from the air into the bloodstream.

What is diffusion?

400

Tubes that carry urine from the kidneys to the bladder.

What are ureters?

400

Long extension of a neuron; sends the impulse away from the cell body.

What is an axon?

400

The muscle under the lungs that controls inhalation and exhalation.

What is the diaphragm?

500

Main molecule for energy produced during cellular respiration; essential for movement of muscles.

What is ATP?

500

Small, inflatable sacs in the lungs that are where gas exchange takes place. 

What are alveoli?

500

Substance secreted by the liver and stored in the gall bladder; breaks down fats into droplets.

What is bile?

500

Branched extensions off of the cell body of a neuron; resemble antennae. They receive impulses from surrounding cells or the environment.

What are dendrites?

500

Type of cellular respiration that DOES NOT require oxygen.

What is anaerobic respiration?

M
e
n
u