Answer:
Hypoglycemia is a condition where your blood sugar is lower than normal
Its symptoms are fatigue, irregular heartbeat, pale skin, shakiness, sweating, hunger, and anxiety
Explanation:
The spinal leaves the skull through the foramen magnum, and then goes into the vertebral column the first vertebra is called the ATLAS
Answer:
the food chain
Explanation:
every species in the ecosystem eats or gets eaten
Answer:by being produced in the testes outside the body
Explanation: spermatogenesis is the production of male gamates,the sperm.this process occurs in the seminiferous tubules in the testes.epithelial cells produces the primary spermatocyte which divides to give a secondary spermatocyte.
The secondary spermatocyte divides to form spermatids,which differentiates to form the spermatozoons.
Testis is housed in the scrotal sac.
Sperm production is sensitive to temperature. Too high temperature can cause formation of abnormal cells . As a result the scrotal sac is located outside the body
Evolution:
. Natural selection
. prehistoric times
. fossils
. certain body parts
. animals that are different but have similar traits