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lutik1710 [3]
3 years ago
8

REALLY EASY!!! JUSUT CAN'T CHOOSE !!!! WILL GIVE BRAINLIEST!!!! AT LEAST TAKE A LOOK!!! ANSWER IF 100% SURE THO!!!

Biology
2 answers:
koban [17]3 years ago
8 0

Answer:

I think it might be D

Explanation:

nikdorinn [45]3 years ago
7 0

Answer:

A

Explanation:

That is my strongest feeling

It’s not b or c because the diencephalon controls the nervous system

A has something to do with the nervous system

Hope I helped

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A true statement regarding atherosclerosis is which of the following? (Select all that apply.) Atherosclerosis obliterans occurs
bixtya [17]
The answer I think it is all of them
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3 years ago
Chain Pickerel is a freshwater fish that is a member of the pike family. Chain Pickerels are found along the Eastern coast of an
Kipish [7]

Answer:

the dissolved oxygen of the water decreases.

the fish need the oxygen for respiration, breathing through their gills.

Explanation:

The salinity decreasing doesn't affect the pickerel, because it's a freshwater fish. no salt needed.

more light penetrating the water just means that more aquatic weed or grasses would grow, giving the pickerel more area to spawn their eggs.

temperature increase in the summer has no affect on the fish, since the spawning happens in late winter.

8 0
2 years ago
Question Total: 1 point
meriva
C. is your correct answer.
4 0
3 years ago
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At what point do the pulmonary and systemic circulation systems meet up?
Hitman42 [59]

Answer: The Heart

Explanation:

The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart. The system of blood vessels resembles a tree: The “trunk” – the main artery (aorta) – branches into large arteries, which lead to smaller and smaller vessels. The smallest arteries end in a network of tiny vessels known as the capillary network.

There are two types of blood circulatory system in the human body, which are connected: The systemic circulation provides organs, tissues and cells with blood so that they get oxygen and other vital substances. The pulmonary circulation is where the fresh oxygen we breathe in enters the blood. At the same time, carbon dioxide is released from the blood.

Blood circulation starts when the heart relaxes between two heartbeats: The blood flows from both atria (the upper two chambers of the heart) into the ventricles (the lower two chambers), which then expand. The following phase is called the ejection period, which is when both ventricles pump the blood into the large arteries.

In the systemic circulation, the left ventricle pumps oxygen-rich blood into the main artery (aorta). The blood travels from the main artery to larger and smaller arteries and into the capillary network. There the blood drops off oxygen, nutrients and other important substances and picks up carbon dioxide and waste products. The blood, which is now low in oxygen, is collected in veins and travels to the right atrium and into the right ventricle.

This is where pulmonary circulation begins: The right ventricle pumps low-oxygen blood into the pulmonary artery, which branches off into smaller and smaller arteries and capillaries. The capillaries form a fine network around the pulmonary vesicles (grape-like air sacs at the end of the airways). This is where carbon dioxide is released from the blood into the air inside the pulmonary vesicles, and fresh oxygen enters the bloodstream. When we breathe out, carbon dioxide leaves our body. Oxygen-rich blood travels through the pulmonary veins and the left atrium into the left ventricle. The next heartbeat starts a new cycle of systemic circulation. Below is an attachment of a diagram that explains the connection between pulmonary and systemic circulation from google.

5 0
3 years ago
WILL BE MARKED AS BRAINLIEST!!!
AleksandrR [38]

Answer: C. Cancer

Explanation:

Current cancer immunotherapies mainly focus on CD8+ T cells. Given the heterogeneous nature of cancer, personalized cancer immunotherapy that integrates the power of both CD8+ T cells in adaptive immunity and NK cells in innate immunity might be the future direction, along with precision targeting and effective delivery of tumor-specific, memory CD8+ T cells and NK cells.

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