The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce.
The four(4) phases of the menstrual cycle are:
(1) menstruation.
(2) the follicular phase.
(3) ovulation .
(4)the luteal phase.
Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS).
Answer:
There are 13 main parts of an animal cell: cell membrane, nucleus, nucleolus, nuclear membrane, cytoplasm, endoplasmic reticulum, Golgi apparatus, ribosomes, mitochondria, centrioles, cytoskeleton, vacuoles, and vesicles.
A person that is being introduced into a new culture can feel a variety of different sensations. For example, one may feel frustrated because she or he cannot communicate or become angry because certain cultural norms do not make sense. ... Cultural adaptation theory offers an explanation for these emotions.
The only competitors that humans have for food are other humans and insects: Agree; we do compete with other animals for food
<u>Explanation:</u>
The term competitor is used to describe interaction that takes place within any two organisms as a result of which both the organisms are affected. The functional role that an organism have within the environment is known as Niche.
Parasitism refers to the interaction that takes place between any two organisms or species as a result of which only one will get benefits and the other one will be getting affected.In an ecosystem, every organism strives hard for living and need food for its survival. Hence, the competitors for food in an ecosystem will be other human, insects, animals, etc.
The planet would be Neptune and Earth's average time is 365.2 days aka a full year (1 year).