Answer:
Gases, food nutrients, water, and wastes pass back and forth between body cells and the bloodstream across the thin walls of capillaries.
Explanation:
Answer:
Bacterial; viral
Explanation:
Sexually transmitted diseases can be caused by bacteria, viruses, and protozoa. Sexually transmitted diseases caused by protozoa can easily be treated. Bacterial STD can be treated with antibiotics during the initial phase of the disease so bacterial STDs are curable.
Viral STDs are not curable but their symptoms can be managed by taking medication. Viral STDs are not curable because they incorporate their DNA into the host genome and can remain in the latent phase in their host cell.
The answer would be the second option - From the tips of the root
This is because cell division, in higher plants, takes place in areas known as meristems, which are are
normally located at the tips of stems or roots. Since mitosis is the process of cell division, the best place to observe it would be at the meristems. A sample of the meristem can best be gotten from the tips of the root.
What device can be used to measure fitness level during a cardio workout?
Heart rate monitor