This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The day-night cycle that occurs approximately every 24 hours is the day-night cycle. night-day ... (Read 219 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jun 22, 2018
The day-night cycle that occurs approximately every 24 hours is the
 
  day-night cycle.
  night-day cycle.
  sleep cycle.
  circadian rhythm.

Question 2

The sex hormone secreted in greater amounts by males than females is
 
  progesterone.
  testosterone.
  estrogen.
  noradrenaline.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jun 22, 2018
Answer to Question 1

circadian rhythm.

Answer to Question 2

testosterone.


burton19126

  • Member
  • Posts: 532
Reply 2 on: Jun 22, 2018
Gracias!

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

The sulphur cycle. The sulphur cycle.
An oral contraceptive showing the daily doses and the different formulation taken in the last 7 days An oral contraceptive showing the daily doses and the different formulation taken in the last 7 days
A Typical Pattern of Sleep Stages During a Single Night A Typical Pattern of Sleep Stages During a Single Night
International Television Viewing Rates in Childhood In most developed countries, children watch TV International Television Viewing Rates in Childhood In most developed countries, children watch TV
Life cycle of Plasmodium vivax Life cycle of Plasmodium vivax
The cell cycle. The cell cycle.
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

For a complete list of videos, visit our video library