1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
iris [78.8K]
3 years ago
9

Which of the following is true?*

Health
1 answer:
PilotLPTM [1.2K]3 years ago
7 0

Answer:

1. Electrical impulses in the heart cause the muscle to contract.

2. To keep the blood flowing in only one direction

Explanation:

In the first question, the correct answer is ''Electrical impulses in the heart cause the muscle to contract''. Every muscle in our body contracts because of electrical impulses and this is also true for our hearts. Or any hearts in nature that we know of.

In the second question, the answer is ''To keep the blood flowing in only one direction''. We have those valves and without them, we wouldn't be able to function as we do.

You might be interested in
10:42 PM
valentina_108 [34]

Answer:

Disk

Explanation:

It's storage device ig

7 0
3 years ago
What is the "talk test"?
gogolik [260]

Answer:

its D

Explanation:

its really the only one that makes sense

3 0
3 years ago
Read 2 more answers
Which of these contraceptive methods would be most beneficial for a female who wishes to avoid side effects or surgery?
Len [333]

The right option is; D. Vasectomy for her male partner

Vasectomy for her male partner is the contraceptive method that would be most beneficial for a female who wishes to avoid side effects or surgery.

Vasectomy is a simple surgical procedure and a form of male sterilization in which all or part of the vas deferens (small tubes that transport sperm into the semen) in males are cut and blocked off. This method is very effective as it prevent sperm from entering a female and permanently protects against pregnancy. Vasectomy is beneficial for females because the surgery is performed on male and females do not experience any side effect.


3 0
3 years ago
Read 2 more answers
Trees takes in _____ a. carbon dioxide b. nitrogen c. oxygen d. photosynthesis​
devlian [24]

Answer:

d) photosynthesis

Explanation:

 Trees are most known for being able to provide oxygen but before they get it they get carbon dioxide which is then converted but they are all due to photosynthesis. Have a nice day!

4 0
3 years ago
Research on adolescence indicates that for girls early maturation is particularly difficult, while for boys late maturation is e
igor_vitrenko [27]
Masculinity is often associated with maturity and superiority. To be the only one in a group would make one feel alone and vulnerable and being the last in a group would make one feel inferior. I could give a much more detailed answer but I think it's a simple enough answer to understand without drawn out facts.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Generalized demodicosis is the result of
    15·1 answer
  • Venita is extremely active and in great health; she likes to swim, go out with her friends, and attend concerts, among other thi
    15·1 answer
  • The body's first line of defense against pathogens includes
    8·1 answer
  • Hey guys I'm stumped on this really I've been working hard all day so I need some help xD 
    13·1 answer
  • Suzette has a history of seizures. The doctor has given her medication, which has allowed her to be seizure-free for many years.
    6·2 answers
  • Effective communication comes naturally to most people and doesn't require a lot of practice to master.
    9·1 answer
  • Which of the following does NOT describe a possible consequence of an unhealthy diet?
    15·1 answer
  • At what angle should bend at the elbow in fitness walking?
    11·2 answers
  • How do you think stress affects personal health, family health, and community health?
    7·2 answers
  • A friend has been tracking her calorie intake and wants your help. She tells you that her recommended daily intake is 2000 calor
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!