Answer:
1 = veins
2 = cardiovascular system
3 = fibrin
4 = target heart rate
5 = maximal heart rate
Paint thinner is the correct answer
The use of alcohol, tobacco and drugs can contribute to all of the following like, increased possibility of miscarriage, premature delivery, low birth weight except delayed labor. It is impossible that a mother can have delayed labor because first using this kind of drugs can give you miscarriage.
Answer:
Healthy lifestyle
Explanation: We should always adapt for a healthy lifestyle because it can make us disease free and always fit. Whereas junk food and lifestyle can be harmful for our body and can give us diseases. So, healthy adaption is better.
Answer:
Food source and space.
Explanation:
With more animals, more food and space is required. With a sudden growth there may not be enough sufficient.
The food source could quickly run out, and same with space.