Most cells have a membrane, though some don't.
Answer:
It contains thousands of nerve endings that make it an extremely sensitive organ. Touch stimulation of the nerve endings in the produces sensations of pleasure.
Explanation:
Cannot see the question would you mind typing it up again and then i may be able to help
Yes a dolphin is a mammal but they say dolphin is because most people think of a dolphin when you say mammal
Answer:
adrenal gland - thyroid
Explanation:
what the incorrectly paired matches should be:
islets of Langerhans - pancreatic cells; pituitary in brain/endocrine system
adrenaline - made in adrenal medulla [in center of adrenal gland]
estrogen - made in ovaries
hope this helps!!
