Answer: A Skeletal and muscular system
Explanation: This is because the muscles in the body are responsible for movement while the skeletons are responsible for keeping the muscles together to remain upright.
Answer:
Heat Transfer
Explanation:
If Two chambers of water are poured side-by-side, the warmer water will mix the cooler layer because the water molcules in a jar of hot water are more spread out and the two jars seek a balance of tempature.
Answer:Two layers of smooth muscle surround the seminal gland, an inner circular layer and an outer longitudinal layer.
Explanation: Hope it helps!!!
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.
Answer:
The oak tree was a producer, and the mushroom is a decomposer.