Photosynthesis is composed of two main parts (light-dependent and light independent)these reaction occur in different structures of the chloroplast. what is the term that best describes light independent reaction and where does it occur a) calvin cycle, stroma
b)photosystem 1, stroma
c) photosystem 2, thylakoid membranes
d) photosystem 1 and photosystem 2, thylakoid membranes

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

answer biotechnology;