Answer:
1 is b
2 is c
3 is either b or c
i don't really remember 4, sorry
Explanation:
Protein. i learned in in 8th grade.
Answer:
mark me as brainliest
Explanation:
the organ systems also work together to help the body maintain homeostasis. ... If body temperature rises, blood vessels in the skin dilate, allowing more blood to flow near the skin's surface. This allows heat to dissipate through the skin and into the surrounding air
Carrying away carbon dioxide waste, and maintaining proper pH of the blood. Breathing occurs due to repeated contractions of a large muscle called the diaphragm. The rate of breathing is regulated by the brain stem.
Answer:
Use chemicals to prevent chromosomal separation during meiosis in plants.