In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.

Q:  At the site of the atheroma rupture , platelet - released TxA2 leads to downstream micro - vessel contraction and thrombus propagation ( 7 ) .

A: thrombus
****
Q:  Neural network analysis of spectroscopic data of lycopene and beta - carotene content in food samples compared to HPLC - UV - vis .

A: samples
****
Q:  Blood chemistry , clinical presentation , radiography , and echocardiography were carried out in all patients for univariate and multivariate analyses of all parameters .

A:
Blood
****