Signaling
This type of signaling involves hormones acting on the very same cell that secreted them.
What is Autocrine?
This protein "head" binds to actin to pull it during a contraction.
What is Myosin?
The phase of the heart cycle where the ventricles are actively contracting.
What is Systole?
The "Master Gland" that connects the nervous system to the endocrine system.
What is the Hypothalamus/Pituitary?
This model explains how actin and myosin filaments move past each other.
What is the Sliding Filament Model?
This specific circuit carries oxygen-poor blood from the heart to the lungs.
What is the Pulmonary Circuit?