A slight odor may be detected the first few times the oven is cleaned. No commercial oven cleaner or oven liner of any kind should be used in or around any part the of the self-clean oven. Do not use pieces of aluminum foil to catch spillovers. Depending on your oven model, the pans and racks may need to be removed.
The chordae tendineae (tendinous chords) , or heart strings, are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.uring atrial systole, blood flows from the atria to the ventricles down the pressure gradient. Chordae tendineae are relaxed because the atrioventricular valves are forced open.
This phylum consists of tunicates, lancelets, and the vertebrates. There are four major features that characterize the phylum Chordata. 1  A notochord, or a longitudinal, flexible rod between the digestive tube and the nerve cord.