What are the 3 parts of cell theory?

Answers

Answer 1

Answer: 1. Cells are the fundamental unit of structure and function in living things.
2. All living things are composed of cells.
3. All cells come from preexisting cells.

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Pls help me. with letter B

Which of these is an adventage of an MRI over a CT scan? A) The images are less expensive.
B) It will not cause claustrophobia
C) It is faster.
D) It uses safer compounds to produce contrast

Answers

D. it is safer because no radiation is used

in the digestive process, food passes from the esophagus into the stomach through the contraction and relaxation of the _____ esophageal muscles.

Answers

Answer:

it goes in to your body system and stores more food

Explanation:

it stores more food into the body

When a baby is breech, it is born:Group of answer choices

Feet/Buttocks first

Head first

Side first

Shoulders first

Answers

A 'breech' baby is positioned to be born feet or buttocks first, as opposed to the more typical head-first position. This can present potential complications during childbirth.

In the context of childbirth, when a baby is said to be breech, it means that the baby is oriented in the uterus such that if labor were to begin, the baby would be born feet or buttocks first.
This contrasts with the most common birth position, which is head first.
A breech birth can present more potential complications than a head-first birth, which is why doctors and midwives monitor fetal position closely towards the end of pregnancy.

Learn more about Breech Birth here:

brainly.com/question/39261173

#SPJ12

Answer:

Feet/Buttocks first

Explanation:

Which countries now dominate the international gymnastics scene and why?

Answers

Russia, Romania, China, and America.Russia and Romania have gymnasts who are also classically trained in dance, so they have the grace and flexibility element to them. Both countries also have gymnasts who are strong on the uneven bars, a place where the US lacks.China has small, agile girls who have been training extensively to compete, and their small body weight is helpful when it comes to swinging and tossing themselves everywhere.The US has had power-house types of gymnasts, such as Jordan Wieber, Shawn Johnson, and Mary Lou Retton.

Which cell organelle contains digestive enzymes to destroy old cell parts and bacteria?

Answers

Lysosomes are cellular organelles that contain acid hydrolase enzymes that break down waste materials and cellular debris. They can be described as the stomach of the cell. Lysosomes digest excess or worn-out organelles, food particles, and engulfed viruses or bacteria.

Will give Brainiest!! 1:Lungs function as part of the __________ system and the __________ system.

circulatory; endocrine
digestive; musculoskeletal
excretory; respiratory
immune; reproductive

2:What is the difference between an artery and a vein?

An artery carries blood away from the heart; a vein carries blood to the heart.
An artery is responsible for carrying blood; a vein is responsible for gas exchange.
An artery is responsible for gas exchange; a vein is responsible for carrying blood.
An artery carries blood to the heart; a vein carries blood away from the heart.

3:The __________ system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli.

circulatory
endocrine
immune
respiratory

4:Read the following summary, which describes blood flow and heart output in space. Then, answer the question.

The heart doesn't have to do as much work to pump blood when in orbit. After only one day beyond Earth's gravity, astronauts have a lower blood volume. They can lose as much as 20 percent of their blood volume while on a space mission. Since the body has less blood to push around and the heart is pushing more blood with each beat, an astronaut's heart rate also slows down to compensate.

What process is being described?

Breathing
Excretion
Homeostasis
Respiration

5:The __________ system is responsible for moving blood cells throughout the body.

circulatory
endocrine
immune
respiratory

Answers

1. C
3. Respiratory
5.Circulatory
Sorry I didn't know all of them, hope this helps!

excretory; respiratory

An artery carries blood away from the heart; a vein carries blood to the heart.

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Ashely has curly brown hair and blue eyes . Ashely's father has straight brown hair and brown eyes . Ashely's mother has curly blonde hair and blue eyes . Which two traits did Ashely most likely inherit from her mother A. Brown hair and blue eyes B. Brown hair and brown eyes C. Curly hair and blue eyes

7. Materials that are not absorbed into your blood areO stored in your stomach O absorbed into your skin O recirculated through your digestive system O eliminated from the body as wastes

If a doctor wanted to be sure that a patient's urinary system is working properly, what would be the BEST indicators to investigate?A.the balance of salts and amount of urine produced B. the amount of sugars in the blood C. the amount of nutrients absorbed into the bloodstream D. the body's ability to digest carbohydrates and proteins

What does the word love mean?