Answer: d
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
You use it by first making a observation, second ask questions, third do background research, and fourth form a hypothesis
Well, an athlete's vital capacity will be stronger and can withstand more movement and pressure. and a non- athlete's vital capacity will not change it will stay the same which is a little strong and a little week and it probably can't withstand movement and pressure.
Answer:
Explanation:
The digestive tract is also called the gastrointestinal (GI) tract or the alimentary canal. It is a continuous tube running from the mouth to the anus.
The deltoid and the triceps
to improve strength in deltoid u can do a seated dumbbell shoulder press
and to improve strength in triceps do reverse cable tricep extensions
