An electrical message that passes along a neuron

A collection of organs that gather and interpret information about the body's internal and external environment

A specialized cell that transfers messages throughout the bodyin the form of fast moving electrical energy.

Made up of the nerves branching off of the spinal cord.

Located above the kidneys. Help the body respond to stress and danger.

A collection of glands that control the body fluid balance, growth and sexual development.

A group of cells that make special chemicals called hormones.

Produce hormones involved with female reproductive development

Regulates blood sugar levels by producing insulin

Regulates calcium levels in the blood

Secretes hormones that affect other glands and organs. Also affects growth.

Produce hormones involved with male reproductive development

Regulates the immune system t help the body fight disease

Affects the rate at which you use energy

The system of the body responsible for ridding the body of unwanted waste products.

Excrete water, urea and salts in the form of urine.

Excrete carbon dioxide as well as small amounts of heat and water

Excretes most of the waste heat from the body as well as small amounts of water, salts and urea in the form of perspiration.

Heat, water, carbon dioxide, salts and urea

Where is urine stored before it leaves the body?

Blood is pumped into the kidneys where it is filtered is an example of which two systems working together?