21. Electrical impulses from the brain stimulate each heartbeat a. True or b. False

22. An (arrhythmia/erythema) is an abnormal heart rhythm

23. The two major body cavities are
a. Dorsal and ventral
b. Cranial and abdominopelvic
c. Thoracic and vertebral

24. The part of the blood that causes clotting when an injury occurs is
a. Leukocytes
b. Eosinophils
c. Thrombocytes

25. Blood cells that transport oxygen and carbon dioxide are
a. Leukocytes
b. Basophils
c. Erythrocytes

Will Give quick answer thats corrcet

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.

Is the process by which biological parents pass traits such as hair type or eye color to their children. these traits may affect their well-being and health.

Transplant operations have become routine. one common transplant operation is for kidneys. the most dangerous aspect of the procedure is the possibility that the body may reject the new organ. there are several new drugs available for such circumstances and the earlier the drug is administered, the higher the probability of averting rejection. the new england journal of medicine recently reported the development of a new urine test to detect early warning signs that the body is rejecting a transplanted kidney. however, like most other tests, the new test is not perfect. in fact, 20% of negative tests and 10% of positive tests prove to be incorrect. physicians know that in about 33% of kidney transplants the body tries to reject the organ. if the new test has a positive result (indicating early warning of rejection), what is the probability that the body is attempting to reject the kidney?