Answer:
aids and things are scaryyyy
Answer:
false
Explanation:
Intensity is the amount of physical power (expressed as a percentage of the maximal oxygen consumption) that the body uses when performing an activity.
Answer:
The Human Excretory System
Explanation:
The Human Excretory System is crucial in removing or discharging wastes from the body. Wastes may come in the form of urine, earwax, excrement, sweat, carbon dioxide, etc.
The "skin" is part of the Excretory System that is responsible for removing<em> salts</em> from its surface in a process called<u> sweating</u>. On the other hand, the "lung" is responsible for excreting <em>"carbon dioxide</em>." Having high levels of this element in the blood will lead to <u>failure of the respiratory system</u>.
Answer:
B
Explanation:
oxygenated blood is taken to the heart,from the lungs into right atrium via the pulmonary veins
