Question

1. What do bone marrow and the epidermis have in common? (1 point)
They are both sites of new cell formation.
They both contain structures that assist the body in cooling down if overheating
occurs.
They both contain or are associated with sensory neurons.
They are both involved in waste disposal functions.

Answer 1

Hello @ladystarkzombieslayer !

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Answer 2

It will be A

Answer 3

i am old to open study this is just first bio ?

Answer 4

and thanks can u help with more?

Answer 5

okay...belated welcome :D

Answer 6

and yes i will try my best

Answer 7

2. Why are capillaries and not arteries or veins found in alveoli, nephrons, and villi? (1 point)
Vessels must be small so that very little blood enters these tissues.
Vessels must be narrow so that only very small molecules can reach these tissues.
Vessel walls must be thin to allow ease of transfer of molecules to these tissues.
Vessels must be lightweight so that they do not interfere with the movements of
these tissues.
3. Which of these structures relies on the circulatory system to transport the chemical
compounds that it makes to other body structures? (1 point)
neuron
salivary gland
sweat gland
pituitary gland
4. Which of the following must be true of the structures of axons and muscle cells in order for
nerve impulses to stimulate muscle contraction? (1 point)
Axons and muscle cells must both have structures that make and secrete the same
small molecules.
Axons and muscle cells must both have receptors that recognize the same small
molecules.
Axons must have structures that make and secrete molecules, and muscle cells
must have receptors that recognize these molecules.
Muscle cells must have structures that make and secrete molecules, and axons

Answer 8

thanks

Answer 9

aaammm..u should post them as new questions

Answer 10

ok