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Mamont248 [21]
2 years ago
8

Which state of the rat would be laying on the table?__________ side

Biology
1 answer:
horrorfan [7]2 years ago
3 0
The right choice would be A
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Blood flow causes vibrations in the heart chambers and valves and produces sounds that can be heard with a stethoscope. Evaluate
Nonamiya [84]

Answer:A. iron level of the blood

Explanation:

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3 years ago
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write down at least twenty things that animals contribute to your life and the lives of those around you. Once you have the list
trasher [3.6K]

Answer:

Trust me i feel u  and understand so heres my answer so that u can feel at ease

Explanation:

Food- Most Ag animals, (Such as farm animals) Are mainly a source of food. This role is vital to my life and everyone else because Food is one of the major things we need for life. This item is produced through farming and Manufacturing. The main contributors to this would be Cows, Sheep, Pigs and Chicken.

Clothing- Some animals fur or Wool can be used as a type of base material for clothing. This Role is vital to my life and everyone else because Clothing is one of the major things we need for life. This item is produced through Shearing, Hunting and/or Manufacturing. The main contributors would be Sheep, but sometimes game animals (such as bears or deer) are used too

Milk- Cows and Some goats Makes milk. This is an important role because Milk is used in a variety of foods such as Cakes, Cereal, Oatmeal, etc. The main contributor would be Cows, however some times Goats milk can be used as well. Milk is mainly processed through pasteurization

Pets- Some animals (cats, dogs, birds, etc.) Can be used as Pets. This role is important because Pets are Stress relievers and can help mentally with what could go on around the world. Most pets are breed through selective breeding. The main contributors are Cats, Dogs and Fish.

Butter- Animal fat can be used to make butter. This is a important role because butter is also used in a variety of foods, such as cakes, Meats, etc. Animal fat left over from butchering animals can be process into butter. Most ag animals that are used for meat, (cows pigs) are used. A second way to make butter would be to use goats milk.

5 0
3 years ago
WHAT IS THIS CELL?????
Cloud [144]

Answer:

It's an eukaryotic cell

Explanation:

3 0
3 years ago
In order for blood to always flow unidirectionally through a closed circulatory system, the ________. A. blood vessels farthest
REY [17]

The blood vessels farthest from the heart must have valves.

The valves which are present in the blood vessels prevent the backflow of the blood back into the specific organ.

There are different valves present in the heart are:

  • The tricuspid valve is situated between the right atrium and right ventricle.
  • The pulmonary valve is between the right ventricle and the pulmonary artery.
  • The mitral valve is between the left atrium and left ventricle.
  • The aortic valve is between the left ventricle and the aorta.

Other vales which are present in the blood vessels are in leg. Leg veins do require the valves. If not present the blood will go back down into the feet because of the gravity. Thus there are various valves present in the leg veins.

Valves in veins are bicuspid, meaning they have two flap-like structures that regulate blood flow in the vein.

To know more about the Valves, refer to this link:

brainly.com/question/12926213

#SPJ4

6 0
2 years ago
What kinds of lipids make up the bilayer that forms cell membranes?
Ierofanga [76]
Phospholipids are the lipids are the main constituents of the cellular membrane. The phospholipids; sphingolipids, and phosphatidylcholine are the two foremost lipids of the membranes. Phospholipids help in maintaining the integrity and fluidity of the membranes. 
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