b. sodium
c. potassium
d. iron
Answer:
Iron
Explanation:
when broken down anemia mean low iron presence in blood.
They are the smallest tubes in the respiratory system.
B.
They have a small amount of surface area.
C.
They are found on the end of bronchioles.
D.
They are comprised of millions of cells
Alveoli are found on the end of bronchioles which is option C.
Alveoli are small air sacs found within the lungs that resemble a cluster of grapes. These are also known as pulmonary alveoli. They primarily stimulate gas exchange.
Thus, we can conclude that option C is correct.
You can learn more about alveoli here:
#SPJ2
B. dynamic stretching
C.isometric stretching
D. ballistic stretching
Answer: D. Ballistic Stretching
Explanation: Hope It Helps :)
b. Exercise increases our endurance and therefore we feel less tired.
c. During exercise the brain releases endorphins, the chemicals that help improve our mood.
D.We breathe in more oxygen while exercising, which helps us feel more awake.
Regular exercise makes us more alert and energetic by the brain releasing endorphins which help improve our mood when it takes place.
This is defined as type of physical activity which makes individuals fit and improves our overall well being.
When exercise takes place, chemical known as endorphins are released which improves our mood which is why option C was chosen.
Read more about Exercise here brainly.com/question/1365564
#SPJ2
Answer:
C. During exercise the brain releases endorphins, the chemicals that help improve our mood.
Explanation:
I just took the test and guessed on this one and got 5/5. Vote so people know this is the right answer