dio

They carry blood back to the heart

Choose the defining characteristics of all arteries

Homeostasis

Maintaining a steady internal environment, despite a changing external environment is called __________

Small Intestine

Most of the absorption of nutrients (besides water) takes place in the ____________

Alveoli

The term interface can be used to describe the surface across which molecules and ions are exchanged, often diffusing between external and internal environments or between organ systems. What part of the respiratory system forms the interface between the respiratory system and the circulatory system

Neurotransmitter

What carries a signal from one neuron to the next?

Vaccine

Which medication prevents viral infections by priming in the immune system against a specific virus?

Bones are dry and dead, made up of calcium and connective fibers with a few blood vessels running through them.

Which of the following statements about bones is false?

B Cells

Which type of white blood cells produces defensive proteins called antibodies?

Different types of tissues

Organs are made up a collection of __________