What is a group of cells that secrete substances into the blood or directly into an organ

The nature of an aura experienced during a seizure varies depending on the amount of fear experienced during the seizure. the location of the seizure focus. whether the seizure is above or below threshold.

Which of the following is an example of homeostasis? Humans shiver when it is very cold. We cover ourselves with a blanket when it is cold. We take a shower to keep the body temperature low. An air conditioner keeps the body at a normal temperature.

What's the relationship between photosynthesis and cellular respiration?

After an RNA molecule is transcribed from a eukaryotic gene, what are removed and what are spliced together to produce an mRNA molecule with a continuous coding sequence?

Underarm odor is caused by the interaction of

Belinda recently completed a treatment program for breast cancer. For the last year, she took a drug treatment that worked to interfere with rapid cell division; what type of cancer treatment did Belinda undergo?

What do scientists call the theory that the universe will shrink in the future?

Which types of stress on the earths crust is due to tectonic plates colliding?

This is my last question. A certain location with many tall trees experiences a wildfire for several days. Which of the following will most likely happen in the location? Pollution will decrease. Bird population will increase.

In performing any laboratory experemint what is the first steps performed