<span>The greatest incidence of osteoporosis will be found in the menopausal women.</span>
<span>Osteoporosis
can occur in both men and women and at any age, but it is most common in older
women. Osteoporosis cane defined as a disease with increased bone weakness. It
is the most common cause of a broken bone among the elderly and it is followed
by chronic pain and a decreased ability to carry out normal activities.</span>
Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
Answer:
Option D, aortic valve
Explanation:
The location of aortic valve i.e between the aorta and left ventricle, allows it to stop the blood from flowing back into the left ventricle.
The other options are incorrect as -
Pulmonary valve being located between the pulmonary artery and right ventricle, stop the blood from flowing back into the right ventricle.
The tricuspid valve and mitral valve stops the blood from flowing back into the right atria and left atria respectively.
Hence, option D is correct.
Answer:
It's d crossing over is the answer
The answer to the question is A
