Answer:
skeletal muscle fibres.
Explanation:
skeletal muscle fibres occur in muscles which are attached to the skeleton. They are straited in appearance and under voluntary control.
Hope it helps.
Answer:
uhhh B
Explanation:
because that actually does happen and it gets in your intestine system then you breath it in and the cell is gone
Answer:
True
Explanation:
Cytokines are proteinaceous substances that are secreted by specific immune system cells. These belong to a category of signaling molecules that are helpful in communication between the cells of immune system and thus help to mediate and regulate immunity, inflammation and hematopoiesis. Cytokines have ability to act on three types of cells -
- The cell that secretes them
- The nearby cells
- The distant cells
These molecules bind to the receptors present on the responsive target cell and evoke a particular biological activity.
Mars and Earth are very different planets when it comes to temperature, size, and atmosphere, but geologic processes on the two planets are surprisingly similar. On Mars, we see volcanoes, canyons, and impact basins much like the ones we see on Earth
The fist one is (a) and the send is (d)