Answer:
1. d
2. b
3. A
4. C
Explanation:
i aint sure but i think this is it
Answer: In the air sacs
Explanation: Air sacs has a million tiny holes that is were oxygen transfers. Inside the air sacs oxygen moves across paper thin walls to tiny blood vessels called capillaries into your blood
The oxygen enters the bloodstream from the alveoli.
Answer:
D
Explanation:
when doing aerobics your body becomes more flexible, making it easier to do other exercises. Also, When doing any type of exercise more and more each day, your body starts to become use to all the work your doing and starts steading with the speed of your heart.
Yes it is very important to have a healthy life style. It does help with the development of heart disease. The healthier you eat and exercise the better your heart health is.
Consent was given in this scenario.
Specifically asking them to do something is the same as giving them consent.
You could explicitly state that they gave consent to ride the bus home with them.
