Answer:
the oxygen to pass from the alveoli to the blood.
Explanation:
the oxygen to pass from the alveoli to the blood. The capillaries then connect to larger blood vessels, called veins, which bring the oxygenated blood from the lungs to the heart
I believe push up is the answer because a few years ago in gym class we had to answer questions like this and I believe it was correct and it sounds better than the others
Hope this helps you have a great day!!!
Good luck
Answer:
Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions. Pathogens of all classes must have mechanisms for entering their host and for evading immediate destruction by the host immune system. Most bacteria are not pathogenic.
Explanation:
.
Explanation:
Proteins are responsible for nearly every task of cellular life, Including cell shape and inner organization, product manufacture and waste cleanup, and routine maintenance. Proteins are also receive signals from outside the cell and mobilize Intracellular response.