PLEASE DONT STEAL MY POINTS Dub
Lub
Diastole
Sistole

(1)
The condition when the semilunar valves at the aorta and pulmonary artery are closed
during the relaxation of the ventricles is known as .

Thesound is produced by the closure of tricuspid and bicuspid
valves between the atria and the ventricles during the contraction of the ventricles
Occurs.
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Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

Describe the two types of vascular tissue

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.