I am thinking its D or A but it may be wrong
Answer:
Decrease in pressure
Explanation:
In the respiratory pump process to increase venous return, inhalation results in a decrease in pressure in the thoracic cavity, which causes the inferior vena cava and right atrium to expand and fill with blood.
Answer:
The correct answer is the primary response.
Explanation:
Immune response to an antigen can be categorized as a primary response or the secondary response, Primary response takes place as a result of first time exposure to the antigen. Naïve B-cell and T-cell are the cells of the primary response action. The lag phase is generally four to seven days however in some cases it can be weeks or months.
The primary response is slower in comparison or the secondary response. IgM is main and produced first in the primary response. Lymph nodes and spleen are sites for the primary response.
Thus, the correct answer is the primary response.
The adrenal gland releases adrenaline
Answer:
sighing and use of body language like crossing arms? i hope this helps :)
