What causes blood pressure?
A. Cholesterol in the blood
B. Stress that exercises puts on heart muscles
C. Removal of oxygen from the blood
D. Contraction of the ventricles in the heart

Higher blood pressures is caused by mental and physical stress that causes one to use their muscles and internal organs to a larger degree.

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.