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3 years ago

Here you go! Good Luck.

Biology

2 answers:

zheka24 [161]3 years ago

8 0

I was gonna go off but the first guy was correct

Goshia [24]3 years ago

5 0

Answer:

The direction the blood takes through the circulatory system is important because it makes sure that the nutrients and blood gets to every organ and vein in our body. the direction the blood flows is this. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart. so we can be the living breathing people we are today.

Explanation:

Brainliest plz

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Nitric oxide is a paracrine signal molecule because NO

hichkok12 [17]

Answer:

C. is unstable, with a short half life

Explanation:

Paracrine hormones are the hormones that act on neighboring cells only. These hormones or chemicals are largely unstable and have a brief life as do not visit the distantly placed target cells. For instance, somatostatin is secreted by D cells of the pancreas. It acts in a paracrine manner and inhibits the discharge of hormones from the neighboring beta and alpha cell.

Likewise, one of the functions of unstable NO gas is to serve as a vasodilator. It is released by epithelium cells and serves to dilate arterioles and relax precapillary sphincters. Then it is degraded.

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3 years ago

True or false: the firing intensity of a neuron determines the intensity of the response

Vladimir [108]

True. Low-intensity stimulation makes the neuron intensify.

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3 years ago

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The nucleus contains ______ and ______, giving it an overall _______ charge.

notka56 [123]

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The nucleus contains protons and neutrons, giving it an overall positive charge.

6 0

2 years ago

A magnetic field is created by?

frez [133]

Answer:

Ein Magnetfeld kann erzeugt werden, indem Elektrizität durch einen Draht geleitet wird. Alle Magnetfelder werden durch Bewegung geladener Teilchen erzeugt. Sogar der Magnet an Ihrem Kühlschrank ist magnetisch, weil er Elektronen enthält, die sich ständig im Inneren bewegen.

Explanation:

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3 years ago

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With respect to antigens and antibodies, what do type O negative and type AB positive blood have in common

mezya [45]

Answer:

Nothing

Explanation:

They have no common attributes

7 0

2 years ago