Answer:
What is obtained by putting a bunch of muscle cells together is muscle tissue (option c).
Explanation:
Cells are the basic units that constitute living beings. These cells have the ability to differentiate and associate to form tissues.
Muscle cells are specialized cells, with contractile capacity, which when united form the muscular tissue, from which the striated and smooth musculature of the internal organs is formed.
Cells form tissues, these form organs and the set of organs constitute the different apparatuses and systems of the organism.
The other options are not correct because:
- <em><u>Heart
</u></em><em>: is a specialized organ formed from heart muscle tissue.</em>
- <u><em>Circulatory system</em></u><em>: is a set of organs and structures, responsible for the circulation of blood. It includes the heart and blood vessels.
</em>
- <u><em>Molecule</em></u><em>: corresponds to the molecular level of matter, formed from the association of atoms.</em>
Drugs and alcohol can impact every system of the body, depending on the drug. They can impact sight, balance, hearing, reflexes, respiration, etc.
Usually, the baby's eyes will open around 26-28 weeks gestation.
The heart develops around week five, and begins to beat at the end of the 5th week. A heartbeat via ultrasound by 6 weeks, by 10-12 weeks you should hear the heartbeat with a Doppler device. A heartbeat usually won't be detected at 4-5 weeks of pregnancy.
Preparation for childbirth begins anywhere from 30-32 weeks during the process called lightening (the baby turns to a head-down position), however, the baby can flip to the head-down position, then flip again, and so on.
The formation of hair and eyelashes begins during week 22, so the answer is B. Formation of hair and eyelashes.
Sexual abstinence is when someone decides not be sexually active. Being abstinent is a conscious decision that one makes and you can make it at any point in your life. You can make the decision in your teens, 20's, 30's, 40's, 50's, and so on. People have all sorts of different reasons to choose to be abstinent.
For whatever reason you're being abstinent for whatever personal reasons you have, you want to make sure that you come to that decision on your own. It shouldn't be your partners decision whether or not you choose to be sexually active.
There are many benefits to not being sexually active such as preventing pregnancy, preventing infections such as STD's. These infections are when one person passes an infection to their partner such as a-nal sex, vaginal sex, and oral sex.
Some other benefits com down to people's own personal opinions such as waiting to find the right partner and focusing on more important activities in someone's lifetime before making this decision.
Answer:
The correct answer is B
b. concussions
Explanation:
Concussion occurs occurs when someone has a traumatic brain injury resulting from hitting the head during an accident resulting in the brain and head to move back and forth quickly. It can result in unconsciousness. Most of the footballers may not want to accept that they are unfit at the moment to play and go ahead anyway to play. This can lead to more accidents and concussions.
