1. hair
2. pore
3. oil gland
4. sweat gland
5. hair follicle
6. blood vessels
I think the answer is that pressure builds and causes the heart to work harder.
Answer:
the third option is the right one.
Explanation:
m RNA gets its information from DNA and then sends it to rRNA which will later turn the message into a protein.
They rely on each other to function.
Photosynthesis produces oxygen which cellular respiration needs and in turn cellular respiration produces carbon dioxide that photosynthesis.
