Answer:
You should do the sport basketball, as it involves the body systems of the circulatory system and muscular systems.
Explanation:
Answer:
Parathyroid hormone increases the level of calcium while calcitonin hormone decreases the level of calcium in the blood.
Explanation:
Parathyroid hormone is a type of harmone which is responsible for balancing calcium in our body. When the calcium level lowers in our body, parathyroid hormone is secreted and calcium is absorbed from the bones and fullfilled the requirement of the body. If the tumor secreted calcitonin hormone instead of parathyroid hormone, the calcium level in the blood is lowered because it acts to the opposite of parathyroid hormone.
Answer: False (Scientific models can be changed)
Answer:
There is no oxygen in space
Explanation:
space is a vacuum where there is no oxygen.