Completed 0 of 10 questions.
Which of the following plays a role in the body's response to external stimuli?
The _____ system removes excess salts and other wastes from the blood
Which system functions to move the skeletal members?
Which system sends chemical messages throughout the body?
Many organisms carry out the same functions using different methods.
How are humans and earthworms different in sexes?
A human has a four chambered heart while most fish have...
Which of the following's system is more similiar to humans/mammals?
What are some of the types of muscle tissue?
Your skin is part of ____.