The __________ system coordinates activities of other body systems (e.g. muscle) and responds to sensations.

Which of the followings is NOT associate with lymphatic system?

________ can lower the activation energy of a chemical reaction.

__________ is the process in which __________ forces water and small solutes, such as salts, through narrow clefts between capillary cells.

In this feedback loop, what is the receptor?

The most abundant molecules in the plasma membrane are __________.

The pH of blood plasma is approximately 7.4, which is slightly acidic.

Facilitated diffusion requires energy and can transport molecules against a concentration gradient.

Which letter represents the effectorof this feedback loop?

What level of structural hierarchy is represented by the letter E?