1. I think it is bloodstream
2. I am not sure
Answer:
The cardiovascular system pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.
ANSWER: His stress is mostly psychological, and he should find something fun to do until the game.
EXPLANATION: Liam is suffering from a last minute stress which is quite normal when the person is going to perform on stage or on field. This stress sometimes gets on nerves and affects the quality of performance. At this moment, Liam should concentrate on something fun before the games as it will keep him busy and will also keep him in happy mood. Liam is confident about his shape and his performance of his team so it won't affect his performance on the field.
Pretty shore the answer is D
Mostly fish or aquatic animals can breath though there skin and or gills.
Hope it helped :)
