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
Your skin is part of ____.
What are some of the types of muscle tissue?
Which system functions to move the skeletal members?
Which system sends chemical messages throughout the body?
A human has a four chambered heart while most fish have...
How are humans and earthworms different in sexes?
Many organisms carry out the same functions using different methods.
Which of the following's system is more similiar to humans/mammals?