A type of connecting tissue that holds bones in place at the joints.
Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
Answer:
B
Explanation:
B is the best answer it explain alot
the vital capacity of an athlete is higher than a non-athlete because they are trained to do hard work, their lungs get bigger over time and make it easier for them to take long breaths when they are running or doing any other exercise
