If the blood is carrying oxygen, the cell and the blood will have a sort of trade. The cells will give the blood the waste which will leave the body and the blood will give the cell oxygen which it needs to stay alive and continue to work.
Sexual and reproductive health education is really important in school so that way kids can learn how to avoid getting STD’s and all that. Often when schools poorly teach sexual and reproductive health education, students from that school end up having a poor knowledge on sex and reproduction and they’re more likely to end up having unplanned pregnancies and getting STD’s that could be very dangerous to health. They’re also more likely to be unaware of why they may be experiencing certain health issues from reproductive and sexual-related things.
<span>The darker an eye color the more melanin the eye has. The melanin concentration in the pigment of the iris cells acts as a way to protect the iris from higher sunlight by spreading the light out. So, in other words, the lighter someone's eyes are the more sensitive they are to light.</span>
Answer:
2. it can identify people who have been in contact with an infected person
you chooses right
Answer:False
Explanation:
They get tired to the point of soreness or overworking.
