Answer: <span>95 to 133 bpm</span>

The equation for maximum heart rate would be:
max HR= 220- age
max HR= 220-30= 190

The equation to find the target for heart beat in medium intensity exercise would be:
target HR= max HR * 50-70%= 190 * 50-70%= <span>95 to 133 bpm</span>

7 0

3 years ago

Please help: Which process in plant physiology could not occur if the opening of the undersides leaves are closed?

lapo4ka [179]

A)Photosynthesis

Explanation:

Photosynthesis is the process by which green plant prepare glucose using carbon dioxide and water in presence of sunlight and chlorophyll.
The openings on the undersurface of the leaves are called stomata.
Stomata play a vital role in exchange of gases between tissues and the surrounding.
If these openings remain closed then carbon dioxide will not diffuse into the cells and oxygen will not diffuse out of the cell.
As a result, photosynthesis will not take place and the plants will die due to lack of food and nutrients.

7 0

2 years ago