Assumed Knowledge

Fill in the blank: The body has mechanisms that allow it to detect and respond to different _______.

• stimuli

• colors

• machines

• languages

Negative feedback systems function to reduce or reverse the initial change.

• True

• False

Fill in the blank: Hormones help to control different processes in the body, including _______ and growth and development.

• metabolism

• digestion

• respiration

• circulation

Nerves transmit electrical signals that allow for different areas of the body to communicate with each other.

• True

• False

Fill in the blank: Homeostasis is the maintenance of a relatively constant _______ environment.

• internal

• external

• chemical

• physical

The circulatory system is made up of different organs and tissues whose main function is to transport nutrients and waste products throughout the body.

• True

• False

Fill in the blank: Heat can be lost or gained by _______, conduction and radiation.

• convection

• reflection

• absorption

• diffusion

Matter can change state depending on the energy (heat) applied.

• True

• False

Fill in the blank: The kidney is an organ that excretes the _______ dissolved in blood out of the body.

• urea

• glucose

• oxygen

• bile

G proteins relay signals from a cell membrane G protein-coupled receptor to other signal transduction proteins inside the cell.

• True

• False