Experiments of Redi and Pasteur helped demonstrate that living things do not arise from nonliving material.
Explanation:
The heart has four chambers: two atria and two ventricles.
The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.
The right ventricle pumps the oxygen-poor blood to the lungs.
The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
The answer is B. an ultrasound
The correct answer is A. Rest.
Explanation
The REST treatment for injuries is a set of four procedures to cure an injury in which each of its letters represents a procedure. The first is Rest, that is to say that the injured area should be left at rest for the first 48 following the injury; the second refers to Ice, that is, put ice on the wound for at least 20 minutes about 6 times per day; the third means Compression, that is to say that the area should be bandaged to prevent swelling, finally the fourth step refers to Elevation, that is, to keep the wound at least 8 inches elevated for recovery. So, the correct answer is A. Rest.
For example, the toes are anterior to the heel, and the popliteus is posterior to the patella. Superior and inferior, which describe a position above (superior) or below (inferior) another part of the body. For example, the orbits are superior to the oris, and the pelvis is inferior to the abdomen.