Answer:
The hair shaft is comprised of three layers: the cuticle, cortex, and medulla.
Explanation:
D. Predators
Predators keep populations of other species in check. This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there. The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer. Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.
Answer:
reinstate a previous behavior
Explanation:
The rehabilitation to stop the pain and inflammation, for the recovery of the mobility and the muscular tone and the realization of a program of sports rehabilitation are essential to achieve a good recovery.
The recovery process must be carried out in a precise and multidisciplinary manner, the load that the knee must support and tolerate at all times, as well as rest and recovery times.
Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
