Which statement best describes connective tissue?  

The effector is the part of a feedback loop that notifies the control center of changes in the environment.

A chemical imbalance in a heart muscle can cause the heart to cease pumping blood, which in true will cause other tissues and organs to cease funtioning. This observaion supports the view that:

What is the normal range for rectal temperature of a canine? _______ What is the normal range for rectal temperature of a feline? _______ What is the normal range for heart rate (pulse) of a canine)? _______ What is the normal range for heart rate (pulse) of a feline? _______ What is the normal range for respiratory rate of a canine? _______ What is the normal range for respiratory rate of a feline? _______

¿Ud. desea algo para tomar?  (answer the question)

A special type of simple squamous epithelium that lines the heart and blood vessels is:

Sodium has an atomic number of 11 and an atomic mass of 23. Sodium has

The brain is found in the:

What is the direct object in this sentence? Yo hablo español en casa.

Study of the microscopic structure of tissues is called