What a physical structure does is its _________.

The heart, stomach and veins are _______ that help with an animal’s growth.

Plants that grow thorns to protect themselves from being eaten are an example of an _________

______ send specific information to the brain, such as the nose sending information about smells to the brain.

__________ are sent out from the brain in response to information it has received.

The __________ is responsible for direction specific signals to the correct parts of the brain.

Which of the following does NOT describe the structure of a tiger’s teeth?

What are internal structures?

The function of a plants roots are to _______.

Which external structure is correctly paired with its function.

Select the external structure that supports the reproduction of plants.

Photosynthesis occurs in the ____.

Which internal structure does not support the movement of a leg?

How do plants react to their environment?

What could be considered a structure that helps plants survive?

Signals from receptors all over the body are transmitted to the brain through a series of _____________.

What is an example of a reflex?

______ is NOT one of the five senses.